80m antenna limited space • A Dipole in free space is a 72 ohm antenna! – Proximity to earth changes the impedance – High dipoles are closer to 75 ohms – Low dipoles are closer to 50 ohms • Feedline SWR (and loss) depends on the match between feedline and antenna – Use feedline that matches the antenna • XMTR will reduce power if mismatched Many of us city dwellers have limited space for putting up HF antennas, particularly full size 80M dipoles etc. Moreover both the 40m & 80m antennas appear to contribute fairly equally to the radiation pattern. 3. This is a guest post written by Nigel Booth (M0CVO) of M0CVO Antennas. An end fed half wave is by far the easiest antenna to install and provides 10-40 or 10-80 depending on the length. Mike, G7FEK is grateful for the feedback received from several Radio Amateurs including: Lee Crocker W9OY for his original I need to find a limited space antenna solution that will let me use 7MHz through to 29. 7m) 24 ft (7. Here I work Phil - W6UC. 8 ft (2. So far it received 30 votes for a total score of 5. G7FEK Plans: Download the plans for the G7FEK antenna from G7FEK's website here or from this website here Limited Space High Performance Antennas. Current Distibution. Nov 30, 2024 · Antenna, 75/80M Sloper for limited space applications (#133864218512) 4***1 (1128) - Feedback left by buyer. 160m Inductance-Loaded Shortened Dipole. 3m depending on the 80m tuning point. Posted by karan at It is 1/4 of the price and has the edge over the windom on receive. Availability: 10 in stock. It’s my antenna of choice for portable operations when space is tight, or when usable antenna supports are few and far between. 1. This antenna was new designed with CW/SSB Relay switching. So I was quite excited when I came across the design of an 80m antenna Dec 19, 2024 · I was active on 80m in 1980s with a horizontal dipole antenna tied on top of coconut trees at my parents’ home using a homebrew 3 x 807 AM/CW radio. This antenna will handle 1500 watts of RF power (with a suitable antenna tuner). For those with limited space, the delta loop antenna offers a compact and space-efficient design. Dual band vertical antenna for 80 meter and 160 meter. This one is a complete kit consisting of a bag as well. But there are options. The ProMaster is a balanced limited space (permanent base or transportable) antenna that maximizes effective radiated power (ERP) while maintaining an SWR on 10 - 80 meters and Marine HF bands of less than 2. Is it possible to get decent performance by using linear loading of an inverted L or some other antenna? In this video, Callum (M0MCX) explores several ideas for compact low band antennas. Back to home page Return to top. Resources listed under Antennas for 80 meters band category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. It has been my primary antenna for all bands since then. The so called at February 01, 2021 / Labels: 2021, 80m, Limited space antenna, MFJ-2286, Portable antenna, verticals, Wolf River Coils / 0 comments I own the "big stick" , as MFJ calls its 18ft/5. The resource has been on our site since Sunday Sep 10 2006, and it has been viewed 61702 times. I'd recommend considering that over a random length. With your antenna I have logged over 100 low power NDB's from as far as 1600 miles away in the last 3 nights. The 80M leg can be totally slopped, however the 160M/40M leg had to be folded, since I had no available space Get the best deal for 80m Antenna from the largest online selection at eBay. Terry was kind enough to pick up my phone call and ship it expedite to the hotel where I was staying in Boston. I didn’t realize till the antenna was fully setup that over 127 feet of radiating elements are deployed into the air from a height of 8. Only adds an extra 2 – 2. 7 dB can be obtained for a few hundred dollars and a few hours invested in the antenna system! Many of our members have limited space for antennas, but we don't need to let that If you have a lot of space and a place to hang an 80m dipole or bazooka, they will outperform the TW8080 for NVIS work. com For immediate release to the ham radio public 03/01/10 TAK-tenna is now Jul 24, 2024 · If you have limited space, adding loading coils can electrically lengthen your antenna without requiring more physical space. Due to the narrow bandwidth on a wire antenna on 80m you will need to use an ATU. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing Due to limited space, I used the half-size version (2x 10m) at two different QTH's between 1988 and 1998and still worked lots of DX on 80m. And I plan to raise it about 6-8 meter above ground. Oct 17, 2013 · Antenna: Alpha Delta Model DX-CC Parallel Dipole Wire Antenna, Multi-Band, Resonant, 1,000 W, 80, 40, 20, 15, 10 meters, 82 ft. Browse our daily deals for even more savings! Free shipping on many items! J-vertical Antenna for 10 meters band; 6m/10m Dual Band mobile whip; 6m 1/2 wave Melrose Vertical; VK5AH – HF 4 Bander Antenna Construction & Adjustment Tips; 40m/80m Lake Eyre Portable; G5RV All-Band HF Antenna; 10 meter Moxon Yagi Beam; A 3 Element Mono-band Yagi for 20 Meters; Compact 20m Yagi; N5ESE’s 87 ft Inverted L Portable Antenna? Feb 16, 2011 · G7FEK Limited Space Multi-Band Antenna The G7FEK design will allow operation on 80m / 40m / 30m / 17m / 15m / 12m with the possibility to add the 20m band. 160M – 20kHz • 80M – 40 kHz • 40M – 300 kHz. 2 Ian KM4CQG Oct 28, 2021 · Wish to have so much space as You haveanyway enjoy dx hunting and 73s not to complain about my situation, which could be worse. coil-loaded dipole; dual-band dipole; Dec 24, 2024 · If you have 40-50' height and about 50' horizontal space we have a great antenna to get you on the air. 80 TO 6 METERS END-FED ANTENNA. This is not my first go around on 160m but is with this type of antenna. If I had it to The 160M leg of this antenna has 60 feet or 18 meter. 573 SWR 5. 2008 Version (rev 5) G7FEK antenna. Dec 11, 2024 · On 80m where the antenna is 1/2 wavelength, the antenna is exactly the same as a half wave dipole. This allows the antenna to be resonant on 80m or 160m without needing the full length of a half-wave dipole. At first glance, a dipole that is shortened by loading coils might appear quite attractive. G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) A 46 ft multi band antenna for small gardens that works well on 80 meters Main bands (@~50 ohm) are 80m / 40m / 30m / 17m / 15m / 12m Other bands (see text): 20m / 10m. With battery and the mast it uses up most of the space in a medium-ish sized backpack. Tune Free EmComm Antenna. G7FEK Limited Space Antenna. Jan 21, 2025 · Antenna projects for 80 meters band category is a curation of 184 web resources on , The Hudson antenna, K5LAD 80 meter antenna, Vertical antenna for 40 and 80m. I live on a 100x200 foot lot but do not have a clear 143' run let alone space to run counterpoise wires 4' off the ground. For a while, I used a W3EDP antenna , but to be honest, results were mediocre at best, and since the tuner I used was in the shack, there was always RF in the shack. Jan 21, 2025 · Hidden antennas, antennas for low space category is a curation of 71 web resources on , The Upright V Dipole, Low-Viz Rain Gutter Antenna Mount, Concealed DSS J-Pole. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing Dec 29, 2023 · A delta loop and its variants can make an effective single-band or multiband antenna. The following plot shows the expected relative signal strength for a half-wave dipole for 80m at a height of 10m ( 30 feet ), overlayed on a map Add 80m to your multi-band 49:1 40-10m end-fed antenna. 6 MHz), which as in the case of a shortened dipole, is a big challenge for limited space antennas. 72-78 (Product Review) This review covers five commercial HF limited space antennas. The difference between a 1. End-fed 6-80M. Well I find a way to solve my problem. The original article can be found here https://bit. 074 SWR 1. 5kW power amp and 1 kW is 1. Supplied with solder ring terminals and glue lined heat shrink for the main wire. ” When I ordered my Alpha ProMaster Antenna, my first thought was; ‘how can a 29 inch bag hold an antenna that operates on 6-160 meters?’. L1 is 12 feet. 160m Inverted-L. 7 dB can be obtained for a few hundred dollars and a few hours invested in the antenna system! Many of our members have limited space for antennas, but we don't need to let that Antenna, Limited Space, End Fed, 40, 20 and 10 meters, 200 W PEP, Stainless Steel Wire and Copper Coil, Each Part Number: BCM-HORIZON-3B 3. For a limited space antenna, this is by far the best I have used. May 25, 2021 · Using coils like this for multiband dipole antennas is an idea that has been around for a while. So, you’ve just got yourself a licence or a nice new HF transceiver and are hoping to be active on the lower frequency bands of 80m (3. This antenna just requires about 24m of free space instead of 41m that a normal half wave 80m antenna needs to hang up. 83uH and can consist ofRead More HB9AMO web site. The W7LPN version of the Inverted L Multi-Band 10-80m Antenna (See latest update 03-30-09) limited space was The total length of the antenna is about 100 ft First, let's look at a ground plane vertical for 80m (3. Limited space antenna it's performance is good the coils when damp will effect SWR slightly. As I continue my mini-series on the G7FEK, we now do some listening on 80 meters followed by local contacts around VK. ly/2DlXCxh. Overall, this antenna plays well to the Far East, South Pacific, Eastern Russia, Caribbean and Central/South America. , this is the antenna for you. One is a FT-891 with an antenna similar to the AS-2259. The ends connected and the second wire cut at 20 ft giving approximately 60 ft long radials. A Disguised Flagpole Antenna QST May 1993, p. It provides for all-band operation from 80 to 6 meters continuously with just the use of an antenna tuner and no radials or grounding needed. Because of the limited space available in my property, the only possibility to have a 80 meters and 160 meters antenna is to install a vertical. Place the coils strategically along the wire, usually about 20-30% from the end. We look forward to another good year of talking antennas and ham radio with many of you. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing the 80 meter skyloop antenna a top performing hf antenna excels in weak signal work low noise operation and omnidirectional coverage ideal for fixed stations it delivers strong performance at low power outperforming many alternatives including 80m half wave end fed antennas requiring significant space for deployment it s well suited for nvis and groundwave use though not portable it s cost May 13, 2009 · On a side note, it works really well at monitoring the LF NDB beacons between 150kHz and 500kHz. Feb 8, 2019 · M0CVO. It provides operation on 80M with good results in smaller areas where a full size 80M dipole would require over 120 feet. In a small space, 160M is going to be very hard to attain, and even 80M could be tough depending on how limited of a space you're talking about. Stick the tuner up in the attic for best results. Or, do you have other and simple design for 80m antenna for very limited space and capable for DX ing? Thank you very much for your kind What type of HF antennas would you like to use for general HF use (at minimum designing for 20m, 40m, and 80m)? Candidates I've heard before are just your basic longwire from treetop to treetop; giant loops (e. Works well on 80m. O. The antenna above has been described by Nadisha, 4S7NR and may be of interest to anyone wishing to get on 80M (3. FEATURES: 80 to 6 METERS COVERAGE The 80 meter Deltaloop antenna is suspended in a triangle, so in many cases the antenna needs limited space. Feb 5, 2009 · For a limited space antenna, this is by far the best I have used. G7FEK LIMITED SPACE ANTENNA ( Nested Marconi Antenna) 80m Limited Space Antenna By G7FEK. The ULTIMAX 100 antenna is designed with the H. A relatively high radiation resistance is there- fore also retained. ) Limited Space High Performance Antennas. Shop HF Vertical Antennas and Packages at DX Engineering. For Limited Space or HOA Limits Mar 31, 2023 · The most important bands for a good pattern are 40m, 20m, and 15m. , limited space amateur, and rapid deployment operator in mind. I disconnect my coax at the antenna (I access it through the window) so the antenna becomes a standalone system in the yard, not electrically connected to the house. VU2XTO design published in the Madras Amateur Radio Society Newsletter, Volume 26, Issue 2, July-September 2018 has the details of an 80m antenna for restricted spaces. But it is playing good when matched. I have legs that are cut to 1/4 wave for 80m, 60m, 40m, 30m, 20m. It requires lots of space to deploy! Even so, the antenna is practically invisible once it’s up in the air. Due to space limitations, I bought the 66 ft version. The balun is to help connect the balanced loop to the unbalanced antenna tuner. We appreciated very much the quality of the material as well as the rugged design, and of course the gread pre-assembly job done by Tom's team. 1988 - 2009 Mike Dennis, G7 FEK. 5m) 38 ft (11. . Dec 11, 2024 · Field Day Antenna Selection Guide. I usually put up 2 or 3 of those bands, depending on my operating goals. Listed under the Antennas/80M category that is about The document describes an 80M reduced 1/2 sloper antenna kit from W8AMZ. My little plot of land (behind the hedge) for antennas. The antenna has low SWR across the entire 20m band and is an excellent performer. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing the SWR = 12. However, you can use a magnetic loop antenna that is only 3 feet across yet cab be very effective, sometimes even MORE effective than the wire, when you have limited space! For this test, I operated from INSIDE of the house. Compact and Portable Antenna Roundup QST March 1998, pp. Great antenna for limited space! Emory Voydik. I really don’t have room for a full, half-wavelength dipole, so I’m looking for options. ) The available space limited me to 80m as the fundamental frequency. I'll be a little more clear here, as I see that I've stirred up the normal lightning suppression discussion. Great Antenna Time Owned: 6 to 12 months. Antenna is a Fritzel GPA 303 (30/17/12m) and Radials are from Prosistel/Italyworking great, plus LogPer VHF-SHF and Homemade 6m/4m Dipol, @7,75m above ground 2 for 80m and 1 for 40m. Antennas: 80M. pdf PDF-Dokument [664. This is a good compromise antenna for small space. 1 14. The TAK-tenna(TM) by Don Butler, N4UJW Hamuniverse. Best features of the Skyloop (aka sky wire antenna): First, let's look at a ground plane vertical for 80m (3. For some time I have been looking for a multi-band antenna system that will enable me to join the HADARC 80M Wednesday night HF net, with adequate signal strength, while at the same time providing excellent performance on 40M and 20M Mar 26, 2022 · 2. 65; Antenna Aesthetics QST June 2001, p. 7MHz. The kit includes all necessary components like black insulated copper wire and a SO-239 connector and can handle Feb 13, 2024 · Ham Radio Antenna for limited space. In 2020 I replaced it with a similar OCFD having an improved Balun and a different feedpoint. g. Alpha Delta has adopted this design for its 80M/40M antenna and two of its sloper models. Using a analyzer cut the antenna for 1. I use a fiberglass squid pole push up mast at the center and the dipole legs guy the pole to hold it up. 29 7. The larger dimensions of the loop increase radiation efficiency as compared to the typical half-wave dipole. All you need is a cheap fiberglass pole, go up about 7. Spreaders are just 2' tip to tip. The large loop area is going to make your antenna a lot better than a 28’ end fed wire or a 14’ dipole. L2 also is 12 feet and the overall length is 48 feet. 7 dB and at least $1. 1 1. Super Antenna MP1DXMAX Low Profile Tripod 80m-10m Antenna. The pattern doesn’t show the traditional nulls off the end due to ground reflections. 50 Ohm direct coax feed; tuner usually not required when operating in resonant bands, but The MFJ-1748 End Fed Zepp is an end-fed wire antenna that, when properly erected and fed with balanced feedline through an antenna tuner, will be usable on all amateur bands from 80 to 10 Meters. I have an mfj, can't remember the model. Jul 24, 2019 · Untuk tempat atau lahan terbatas antenna ini cukup efektif Using this method of construction has enabled me to "squash" the total lengths of each antenna within my limited space and still let me operate on those bands. NVIS Antenna; Hitchcock Woods Trails; Clone Midland WR120B WX Radio; Winlink Express; Winlink – San Diego Experience; SC EMCOMM Sites; SC Emergency Management Locations; CSRA Repeaters; WB5NHL Station. More to explore: 75 x 75 mm TV Mounts & Stands, 2. I cut the 80m leg at 67ft and trimmed for best SWR at 3. I've tried a few options and this is where I've back around to. The two loading coils are described as 67. 3m of terminated wire, this will need to be tuned by the user. Apex of my antenna is at 34'and stub end is 6' above ground use a home brew ferrite isolation balun and feed the antenna w/LMR 400 coax. I use 4 (ground is pretty hard) twisted pair wires 40 ft long. Size matters If you have space for a dipole or the like, use it. " - Note that Scott is in Canada, and running only 100W and at sunspot minimum. Mar 22, 2023 · Since then, no other antenna has worked so well for HF, than the 80 meter skyloop. Looking at it from the top, it looks like an X. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing My "ARES" and local state QSO party antenna is a turnstile antenna. 1-wave on 160m); some large off-center fed dipoles, etc. 5MHz) and 40m (7MHz) but are a bit concerned about how much space you will need for an antenna. If you want to try a shot at 80m DX or you have limited space, covenants, restrictions, etc. Similar to a fan dipole, but the extra set of 40m legs are spread out. FEATURES: 80 to 6 METERS COVERAGE I came across the following antenna which covers the 80-10m bands with no traps and just one loading coil. FT8 SWR 28. Of course, they must be buried and limited to be unobtrusive. From our family to you and yours: Merry Christmas, God Bless and Happy new year! Stay Safe Ya'll. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing 80 TO 6 METERS END-FED ANTENNA. { 80m on 18m Pole } { 80/40m on 18m The antenna described here is used by DF2BC who has limited yard space for antennas. 5:1. It is solidly built and it shows throughout. In may 2007 we erect the 2 el on 80m from Optibeam (OB2-80+). , Fully Assembled These are great for High Performance and Limited Space Antennas and unlike the usual trap antenna, there are no capacitors to break down under high RF voltages. He uses this antenna efficiently on several bands from 160 thru 20m, but he has three different matchboxes, one for Top Band, one for 80m and one for 40/30/20m. He spent 21 years with Goodyear Aerospace Corp, 6 years with Tulane University and Il years G7FEK Limited Space Antenna G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. Good antenna for limited space - 19,2m! btw: I tried to match the antenna to 12m and 17m: My signal was heard Have fun on HF-bands with your W-8010! G7FEK Limited Space Antenna. The antenna produces a number of lobes on this band and is no longer omni-directional. Alpha Delta also has a 160M/80M/40M version, the DX-LB. the antenna, minimizing 12R trap losses. my. That is what obviously makes this antenna work very well! Feb 24, 2022 · Low Band antennas (80m/160m) require lots of room for peak performance. How start: When I was amateur radio I looking for a high efficiency antenna which need limited space on eighty meters band. Small Cheap Linear Loaded 80M Dipole; 10-20 meters one antenna: beam; Simple mobile HF Antenna | K7SW Ham Radio; January 31. 160m Capacitance Loaded Vertical Antenna. The HF bands used are 80m, 40m, 20m, 15m, and 10m. Ideal for limited space. Now it's time for some 80m DX with the G7FEK limited space antenna. limited space. May 15, 2020 · Setup is super easy and quick, and the antenna can stand freely on its own with no extra supports. 5mhz (UK bottom part of 80m). Often that 1. 83uH and can consist ofRead More A Limited Space HF Antenna Review. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing May 7, 2014 · 80m:actually at 3,4MHz. Last 30 QSOs in My Log; KP2L Station Video; Antennas. This happen because my neighbourhoods don't leave me to prop a simple wire. I cut the 80m leg at 67ft and trimmed for best SWR at 3. For DX, with limited operating time, I have worked 30 countries. 5K. Not even my 80 meter half wave end fed antenna! The skyloops performance does have a high price. The Diamond W8010 also uses inductors rather than traditional traps. 5 feet. 4m) 50 Ohm Coaxial The Alpha Delta DX-B is an 160m, 80m, 40m and 30m single slope trapped antenna. Searching on antenna book find a half G7FEK Limited Space Antenna G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. 8 21. Options. 97 The antenna above has been described by Nadisha, 4S7NR and may be of interest to anyone wishing to get on 80M (3. better antenna, a better ground system, or any combination thereof. Resources listed under Stealth Antenna category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. 20m long wire across my garden in a slope, going down from my balcony (~4m high) which I can put a 10m mast on, to about a meter above the ground. 17 3. Sep 5, 2014 · Perhaps the biggest thing my station is missing is an 80m antenna. 46ft multi-band antenna for small gardens. 25 An indoor inverted U wire antenna. Short answer is that there's no such thing as a short, limited space antenna that works great on all bands 160-6M. • A Dipole in free space is a 72 ohm antenna! – Proximity to earth changes the impedance – High dipoles are closer to 75 ohms – Low dipoles are closer to 50 ohms • Feedline SWR (and loss) depends on the match between feedline and antenna – Use feedline that matches the antenna • XMTR will reduce power if mismatched The trapped extendable antennas do pretty well too. 45m loaded telescopic whip antenna. i would love to put full size antenna but my yard here ain't big 500 sqm . Although my lack of space presented some issues with tuning (The way i had installed the wire horizontal V) Ian was quick to offer sound advice and now the antenna is on a dx commander pole with the 80m coil hidden up a tree and tuning as it says on the tin. I love antenna design and I am intrigued by this one. We offer a 75/80M version as well. I live in a rental property so I've gone about 80 TO 6 METERS END-FED ANTENNA. I have some decent space, I could put a max. 4mm binding posts. Good and sturdy stuff. and use a tuner to "tweek" it on the rest of the band. Past year. With limited space or budget, the compromise tends to be larger. 5MHz) that have limited space available. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing Antennas/Portable; Antennas/80M; Antennas/40M; The title of the main category is 40M and it deals mainly with 40 meter band antennas projects. Hi I am looking for best vertical antenna for limited space, I found for example Diamond BB7V and Sigma HF 360 (this antenna have additional set for better work in 80-60m). An excellent DX performer and is an ideal replacement Jan 21, 2025 · Antenna projects for 80 meters band category is a curation of 184 web resources on , K5LAD 80 meter antenna, Vertical antenna for 40 and 80m, 80/75 Meter 4-Square Array. The feed point is at ground level and the radiating wire goes up over the house and into a top room window where I have a crocodile clip (acting as a switch), to attach the 160m G7FEK Limited Space Antenna G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. It is called the EFHW-8010. By using a good BalUn, Common mode current are prevented, which also reduces interference from your direct environment. Verified owner. He has had careers in both industry and acade- mia. 5 out of 5 stars ( 4 ) Assembling the antenna spreaders and using the supplied wire supplied to hold them in position can be hard on older hands. (The pattern on 80m will be about the same, regardless of loop choice, and I’ll accept whatever pattern I get on 10m. Excellent seller, great High performances into a limited space Time Owned: 0 to 3 months. A. It's 48 inches, requires a small counterpois (mine is like 12 feet of speaker wire). An easy way to 'fly' on eighty meters band. Full band coverage can be accomplished with an antenna tuner The title of the main category is 80M and it deals mainly with Antenna projects for 80 meters band. FEATURES: 80 to 6 METERS COVERAGE G7FEK Limited Space Antenna G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. 875. Limited Space High Performance Antennas. 5MHz has been achieved, but I have an S9 level of noise on the 80m band, so that will be a project for later. If the antenna takes a strike, it's toast, and I'm okay with that. This contraption is only 18' bottom to top with only 14' of antenna vertically (including the balun). 79/10 The ProMaster is a balanced limited space (permanent base or transportable) antenna that maximizes effective radiated power (ERP) while maintaining a SWR on 10-80 meters and Marine HF bands of less than 2. However if you are looking for a limited space (66ft) multi-band antenna(80m,40m,20m,17m,15m,12m,10m) that also covers 80m than I would certainly go for the 80 Special!!! G7FEK Limited Space Antenna G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. April 28, 2024. 160m Inverted Delta Loop. INVERTED-Vee VERSION: To save even more space, erect this antenna as an inverted-vee antenna. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing Jul 20, 2024 · Antenna, 75/80M Sloper for limited space applications (#133864218512) See all Feedback. so is your turn to give it a try Free Shipping - Moonraker GPA-80 HF Vertical 80-6M Antenna with qualifying orders of $99. Full band coverage can be accomplished with an antenna tuner Nov 2, 2020 · This video walks through my backyard HF setup with minimal cost and footprint. - - updated: 27 March 2010G7 FEK Limited Space AntennaG7 FEK Multi-band Nested Marconi Antenna - 2008 Version (rev 5)This Antenna was first conceived as a simple dual band Antenna in 1988, in an attempt to achieve sensible dual band operation ina small garden of 14m (46 ft) length. I plan to build dipole antenna as the calculator described, which is better, vertical or horizontal polarization? The antenna intended for DX’ing. com. G7FEK Limited Space Antenna G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. Jun 16, 2022 · you can bend the wires in a half wave dipole so that it takes up less space with minimal loss of efficiency it is advisable to get the ends of the antenna as high as possible especially if children and animals are kept in the area around the antenna as there are very high tensions on the ends of the antenna during transmission in norwegian. This video proves you can operate 80m When I ordered my Alpha ProMaster Antenna, my first thought was; ‘how can a 29 inch bag hold an antenna that operates on 6-160 meters?’. On 40m, where the antenna is 1 wavelength, the pattern is still maximum broadside to the antenna, but with a little bit more gain, and the lobes are a little Almost any 160 meter antenna is a compromise. Each matchbox is purpose-designed for use with "this" antenna. My license allows me to use 160, 80, 15 and 10 meters, so I'm looking for an antenna that I can use on 80m. The resource has been on our site since Monday Mar 25 2002, and it has been viewed 45560 times. My latest easy to read technical document is available for free download here: G7FEK 80m Multiband Restricted Space Antenna A EFHW is resonate on every harmonic, so if there is room for a 80m dipole (~133ft), one could get under 3:1 on parts most HF ham bands. 840 SWR 2. Without further ado, here comes the results: * My antenna sports a Palomar Engineering 3 kW Balun, as well a industrial grade resistor. 074 SWR 2. Shape Shifting. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing Mounting antennas was always a concern for me because I have very limited space here. Here are the reasons why you should consider purchasing it: It is a complete setup for 80m to 10m and can work with VHF 2m. 160M Folded Counterpoise; Antennas in an Antenna Restricted Community; Low Band Receive G7FEK Limited Space Antenna G7FEK Multi-band “Nested Marconi” Antenna - 2008 Version (rev 5) This antenna was first conceived as a simple dual band antenna in 1988, in an attempt to achieve sensible dual band operation in a small garden of 14m (46 ft) length. so i choose this small size that work for 80 and 40m. Do not spend money on fancy commercial loops with remote tuning or similar “miracle” antennas, because you will find that your signal is a Portable tactical HF EmComm antenna for 10-160 meters that supports Emergency Communications when limited space and stealth deployment Is a priority. Verified purchase. Not as good as a dipole at half a wave up, but that's a lot of space. It is simply a half wave end-fed on 80m which will resonate on all multiples of that frequency, loaded with a small inductance near the feed end. But even in limited situations, you can make the most out of it, by keeping some things in mind. That is what obviously makes this antenna work very well! Nov 29, 2024 · Isotron Antennas are the IDEAL solution to limited space & HOA Restricted Amateur Radio Antennas. Installed properly the built in antenna tuner in most rigs will easily tune to any of the covered bands. It is simple, effective and low cost. COVERAGE: 80/40/30/20/15/12/10m This antenna was built just in time for CQWW CW in 2011. This antenna is designed for limited space installations, were room does not allow for large wire antennas it only requires 60ft of space providing amazing DX performance at i building an 80 160 meter antenna in a small garden 9m x 14m involves creative solutions due to space constraints this project outlines the construction of a trapped 80 160 meter vertical dipole utilizing a crank up tower and an 11 meter fiberglass pole the design prioritizes minimal visibility ease of construction and cost effectiveness achieving effective operation despite limited space I would consider a loop around the perimeter fed into a basic 1:1 balun and an auto antenna tuner. I have question which antenna should be better for 80m band? Adding 14MHz to the G7FEK Limited Space Multi-Band Antenna he G7FEK design will allow operation on 80m / 40m / 30m / 17m / 15m / 12m with the possibility to add the 20m band. Rated Oct 15, 2014 · This design is very easy and cheap to build and unlike many limited space antennas, it works very well on 80 meters, a band that many Radio Amateurs with restricted space have previously been denied. In this case we'll assume that the radials are the right length (about 68 ft long) and the base of the antenna is 10 ft above an average ground. Reply reply Here is a drawing above showing the 80/160m antenna. FEATURES: 80 to 6 METERS COVERAGE Dec 11, 2024 · For very limited space applications, a Small Transmitting Loop (mounted in the vertical plane) can also work well, as long as it is reasonably efficient (which is more difficult on 80m and 160m). The WX was fairly good enough in early March and so I decided to give it a try. Apr 19, 2018 · Here’s an aerial of my property, showing the location of the dipole and, in the inset, a picture of what is called “twin lead” (the feed line from the transmitter to the antenna) and the antenna tuner, intended to “fool” the transmitter into seeing a 50Ω load (even though the actual antenna is not resonant on the frequency. Think is 40 bucks or so? For a compromise, small space, low cost antenna, it's not bad. The kit is designed for limited space and can be installed in as little as 25-30 feet. Interesting article, but except for the length of a full-size wire for 160, these measurements do not seem for "limited space" suburban lots unless the wires have a jog or two. Now supplied with 2. 5 meters a may be of interest to anyone wishing to get on 80m 3 5mhz that have limited space available . Listed under the Antennas/80M category that is about Homemade projects for 80 meter Antennas. 1:1 , but it was easily tuned using an “T” match tuner. 3 KB] <OCF DEVIL'S TRIANGLE> If you are interested in working low band DX and back yard space is scarce, this is an antenna well worth consideration. In the 2009 CQWW 160 Meter contest, I worked 46 states and 7 countries using 600 watts in just a few hours of operating. and vswr perfect all band. It's a regular 80m dipole, but it also has two 40m legs. May 31, 2018 · Going over how I went about constructing and fitting the G7FEK Limited Space Antenna on my small suburban lot. With well designed coils, the efficiency of a shortened dipole can be relatively good and the gain can be within a few dB of a full length dipole. G7FEK Limited Space Antenna A Multi-Band "Nested Marconi" Antenna. 10 Meter Amateur Radio Antenna. A Simple 7-Band Wire Antenna. Jul 4, 2015 · As an example: a dipole antenna for the twenty meter band is approximately 32 feet end -to-end. May 2, 2009 · To make a transatlantic contact with any station on 80m is a hit and miss affair, even with big full size antennas or arrays and a linear, so to schedule a specific station for a specific frequency and time, and expect to make a useful contact, is asking a lot of 80m at sunspot minimum - and then to do it with two small antennas at just 100W on 160m, 80m, 40m Curtain Zepp Antenna. Good luck with your low-band antennas! Al Buxton was first licensed in 1937 as W7GLC. Super Antenna is a very popular brand for antennas. Its total length is approximately 135 feet. I cannot have antennas on the communal grass area. Full band coverage can be accomplished with an antenna tuner Correspondence: The Venetian Blind Antenna, QST June 2001, p. Evolving from a simple end-fed Marconi for 80m, the idea was to use the opposing antenna in the antenna collection of Rothammel "Antennenbuch-Rothammel". jmds ctedt rpvo uwvfhee aopw cxml ntaykr olai vlltjv gdfrr