160 6 Meter Antenna







You can see my antenna in the March 1998 issue of QST. For 2 meters, the coil is 4 turns of coax at 5 inches in diameter. 160 Meter Inverted-L Bazooka Antenna- A DOUBLE BAZOOKA antenna is an extremely broad-banded Half Wave Antenna that can operate efficiently across an entire Ham band with little change to the SWR. So we will first discuss properties of wideband antennas, and then discuss the infinite bow-tie antenna, and then measurements and properties of the real bow-tie antenna. " The Antenna Here's how it looks from a ground-floor window of my home during a snowstorm. ) Order 8-Band 3,000 Watt OCF Dipole Antenna: $557 Special Price: $423 (6 or more = $334 ea. This is the length of a standard. net In May/June 2008 NCJ1 Al Christman, K3LC, suggested adding a fifth element at the center of a standard 4-square array to improve the pattern. Not even a dipole for 40 meters will fit behind the house. discourage me from getting on. is a problem, try this If you're iike me, you don't have adequate yard space to put up a half-wave dipole on the 160-tneter b~:md or a tower to load as a short vertical. 160 Meter Wire Antenna Sizes. While that setup produced results on 6M, I wanted to get more antenna without going to a yagi/rotor. A custom designed capacity hat system allows this vertical monoband antenna to get on 160 meters. [Jeri] Builds A Magnetic Loop Antenna. Tophat is 80 ft long and the T is connected in the center and should be 40ft long with a 20uH to the feedpoint then the shield to ground. Breaking strength is 280# and, unlike the vinyl jacket found on the vast majority of antenna wire, the polyethylene jacket is 100% UV stable, very tough and slippery - almost like Teflon ®. By the time the antenna is that long, current at the terminated end is so low, additional length makes little difference. Build an Yagi Antenna. The measurements below are for building a simple Dipole Antenna. AV-6160 Antenna pdf manual download. There are 160 meter contacts to be made the year round, but winter time is the quieter period and also the period of longer nighttime hours. Page 121 of MFJ new 2013 ham catalog Hy-Gain's PATRIOT HF vertical antennas are the best built, best performing and best priced multiband verticals on the market today. Although it will load up well on 160 meters, about the best you can expect is to get out better than the folks that are trying to run mobile. A friend, WA7YLI, has similar interests. Get 160-6 Meters Coverage and 1500 Watt Operation with a single antenna! This MFJ-2990 is a 43-foot self-supporting vertical antenna that covers 160 through 6 Meters with the use of an antenna tuner. Here is how I managed to get pretty decent results with a homemade antenna. In the UK 160 meters was the primary band used for mobile operation for many years. Extended Double Zepp – Longer than a dipole. Perhaps it's time for you to get on 160 meters and see what's happening. Pretty big signal. On most of the J Pole designs out there, a choke should be used as close to the feedpoint of the antenna as possible to help prevent rf on the feedline and creating difficulty with SWR readings. As you will see the antenna is VERY EXPEDIENT. Contrary to popular belief, it is almost impossible to design a remotely-tuned mobile antenna to cover 80 through 6 meters, much less adding 160 meters to the mix. Home-made antennas can greatly improve the performance of AM and FM radios, short-wave receivers, and scanners. It Will Handle The Legal Limit, 1500 Watts Of Power. Our antennas are a great simple way to get on the air. However, when I operated on the lowest ham band, 160 meters (1. That's really amazing with only 5 watts. Compact size makes meter useful for testing both base and mobile installations. Design Parameters For an 80-10 meter OCF dipole antenna, divide the ½ wavelength standard of 468 by the lowest operating frequency of 3. The secret is the Vertical Radiator. Hi all, I braved the cold and put up a vertical HF antenna last week, about 5 metres tall. It is a homebrew skyloop HF ham radio 2. Skip navigation 160-6 Fan Dipole 80-6 meter OCF Dipole Antenna for SHTF or. The dimension of the antenna below is in function of the frequency. Taking plans from a couple of different antennas to make one that hopefully will do top band through 6 meters. This antenna covers 65 kHz of 160 meters, 75 kHz of 80 meters and the entire 40-meter band with SWRs under 2:1. An Attic Coaxial-Cable Trap Dipole for 10, 15, 20, 30, 40, and 80 Meters John DeGood, NU3E [email protected] 8 mhz, the antenna losses at 30 feet height are about -3 to -4 db loss. 2 KW CW & RTTY. These are compact and easily deployed antennas that fit into relatively small space and a real plus is that it is stealthy which are some of the considerations that a modern day survivalist should look for when considering what antenna to choose for emergency communications. com I remember a time when I was forced to live in a condo for a year. 10-40 Meter 100W Base Alpha Loop + Remote. In the UK 160 meters was the primary band used for mobile operation for many years. The normal quarter wave ground plane antenna consists of a vertical radiator which is insulated and centered between 4 horizontal surrounding radials which extend out from the base of the antenna. 630-meters: Setting The Record Straight About This Amazing Band. 6 out of 5 stars 6 $42. The CAROLINA WINDOM® is also ideal for those of you who want a high performance antenna to cover the bands not covered by your beam antenna. Use a VSWR meter to check the desired band edges and centre frequency as you tune. The 8-Band is 270 feet (82 meters) long; 180 feet (55m) on one side of the center, 90 feet (28m) on the other side. The 5K Double Bazooka is the best you can get. With the antenna now adjusted for 160 and 80 meters, VSWR over the 7. ALL HF BANDS160 - 6 METERS* NOTE *** A wide range tunermay be needed to tune this antenna to 160 or 6meters. Several users report it is possible to use the antenna on 160 meters but you will need to connect the twin lead together at the point where it connects to the coax. Volunteers of the Honolulu Emergency Amateur Radio Club (EARC) carefully assemble the 6-40 End Fed matchbox antennas for those who prefer not to build one. Friday, August 12, 2016 Simple Ham Radio Antennas--Getting around HOA antennas Maple Leaf Studios End Fed Easy-Tenna 160-6 meters. 9 MHz Full-Wave Loop Antenna. It covers the 80 meter through 6 meter Amateur Radio bands and can handle up to 100 watts SSB, 25 watts digital. Simply amazing. 160 Meter Inverted-L Bazooka Antenna- A DOUBLE BAZOOKA antenna is an extremely broad-banded Half Wave Antenna that can operate efficiently across an entire Ham band with little change to the SWR. FINDING THE RESONANT POINT 1. "The " QSO - KING " isourlatest antenna design developed to meet the needs of amateurs, short wave listeners, and experimenters who have limited space to install an antenna. A Hawaii-based Amateur Radio Antenna Blog focusing on the theory, design, and use of homemade antennas. The difference is day and night compared with a dipole. Wound at 3. 667 feet long, and the other leg 91. VERTICAL ANTENNAS K4TR 160 METER VERTICAL "T" ANTENNA (MADE TO ORDER) This Antenna Is Taken From A Time Proven Design. You never quite know when the band will open and where it will take you. The standard answer is of course the age old reliable Beverage antenna. The Sentinel 6 Band Hexbeam antenna from RadioWavz is the most remarkable HF radio antenna ever built. Bow-Tie antennas aren't really Log Periodic antennas; however, the bow tie (or butterfly) antenna makes a good starting point to begin talking about Log-Periodic antennas. On 75 and 80 meters, you should have about a 220 kHz bandwidth. Also covers 30-17 & 12 meters with an antenna tuner. Place a 1:1 Balun on the Antenna end of the Feedline. “All of my antennas are built by RadioWavZ. Portable End-Fed 160-10 Meters Dipole Antenna Experience has shown that most external tuners and many internal tuners will tune 80–6 meters with an antenna. 160 METERS ANTENNA (67) Antenna for the Low Bands 80 and 160m. Actual resonant antenna lengths can vary with antenna height, ground conductivity, and proximity of surrounding objects. 7:1, making the antenna pretty much useless at 40 meters. 26 twinlead. I bought. Peak Power: 500W SSB (200 CW/100W Digital) Length: 34 Feet Analysis An optimum installation would be where the antenna is deployed as a sloper with the high (feed point) end at 30 feet or higher and the low end at 10 feet or higher. It may be even harder on 80 meters because everyone has a strong signal. 60 meters was actually a bit worse — VSWR >10:1. 5K End Fed Long Wire Antenna This is an End Fed Long Wire wire antenna that will cover all bands from 160 to 6 meters, including the WARC bands, as well as 60 meters and MARS frequencies. This antenna, the Alpha Delta DX-B, is a trapped, quarter wave single wire sloper for 160, 80, 40 and 30 meters and has been installed at the 55' level and slopes to about 25' off the ground. and has a wind load of just 2 square feet. The antenna diameter is 2” OD at the bottom, 0. For know the length of the "element's" , choice your frequency of work. On the HFN HAM ALE. This is 15 dB and 23 dB higher than RA. A standard dipole at 1. The CAROLINA WINDOM® is also ideal for those of you who want a high performance antenna to cover the bands not covered by your beam antenna. After a leisurely walk around the estate with tape measure in hand, I managed to locate several nicely spaced trees that looked as though they would serve to hold up a 160 meter dipole. By the time the antenna is that long, current at the terminated end is so low, additional length makes little difference. Model#: 9005375. This is the length of a standard. The VE2DPE 160 Special!. Attic antennas •Many types of antenna can be mounted in the attic IF you don’t have Radiant Barrier (Tech Shield). Add you loop wire of choice and your coax cable for rig connection, and enjoy DXIt consists of: Custom designed Air core transformer using 12g stranded wire. From what I have measured, the EFHW-16040-HP is really only useable on 160 and 80 meters. 9 MHz), you will get an overall radiating efficiency of 1. This is known as a Extended Double Zepp (EDZ). 1 - "Old Faithful" 160-meter Marconi antenna Is full of surprises that will fool the unwary user. Compact Antennas Are Possible on Top Band!brbrbr160 meters is known to radio amateurs as top band. Alternatively, the mast can be made By Thomas Kuehl, AC7A An Efficient Multiband Vertical for 160 through 20 Meters 1Notes appear on page 49. The 5K Double Bazooka is the best you can get. 6-80 Meter HD-FMJ. Use a VSWR meter to check the desired band edges and centre frequency as you tune. Without adjusting the variable capacitor, I had a 1:1 SWR. 80/30, 40/15 meters. Part 1: Hidden Antennas for HOA restrictions? From our friends at www. The existing 160-meter ground plane antenna consisted of a 135-ft wire attached at the 118-ft level of the tower that has two Cushcraft 2-element 40-meter beams. The antenna has big sizes so tune the antenna at its working position. "I run a 68 foot half sloper (1/8 wave length on 160 meters) mounted on my 40 foot tower, and really have a blast on 160 with it. This HyGain AV-6160 is a 43-foot selfsupporting vertical antenna that covers 160 through 6 Meters with the use of an antenna tuner. In order to tune an antenna, a radio needs to be hooked up to an SWR (standing wave ratio) meter using coaxial cables. Attic antennas •Many types of antenna can be mounted in the attic IF you don't have Radiant Barrier (Tech Shield). There are lots of different models, each with their own specialties and design parameters. Build an Yagi Antenna. 43 m) and 45 ft (13. The length of a full-wave antenna is given by the formula 1005 / frequency in MHz = total length of the loop. Tophat is 80 ft long and the T is connected in the center and should be 40ft long with a 20uH to the feedpoint then the shield to ground. The DX Engineering DXE-160VA-1 is a slow taper 55-foot high Monoband Vertical Antenna system. fm antenna ribbon cable. Simply amazing. Table 2 and Table 3 are loss data for 40 and 160 Meter vertical antennas over average soil. 667 feet long, and the other leg 91. A so-called random wire antenna is an end fed antenna. Order by Paypal. I asked him about the antenna and was told that it was a 160 meter 3/8th wave, inverted 'L' antenna. 10-40 Meter 100W Base Alpha Loop + Remote. The HyEndFed 160 meter antenna worked GREAT ! The incoming signals during the CQ WW 160 Meter (SSB) Contest were very strong : signals between S9+30 - S9+40dB were no exception ! The spectrum scope & waterfall of my ICOM IC-7600 turned reddish all the time. 160m Shorty Double Bazooka Antenna- PLEASE NOTE: This antenna can only be shipped inside the United States. Delta Loop Antenna. Start with a longer antenna length and adjust the legs in equal increments for minimum VSWR. Trapped dipone for 40-80-160 meters. Has anyone used one of these antennas? I use a Inverted L right now and it is playing very well but the noise is S9 to 5 Over. matched load when using antennas not normally used for 6 meter operation. traps disconnect some of the 160-meter top hat to provide appropriate loading. By John Portune W6NBC. In order to tune an antenna, a radio needs to be hooked up to an SWR (standing wave ratio) meter using coaxial cables. I seen in a recent article showing a Compact T Antenna for 160 Meters. Ground losses become high and the antenna has no directivity. It's an ideal antenna for those of you who do not wish to use a tower and beam. At 88 feet it will tune from 160 m to 10 m with the internal antenna tuner on my IC – 7410. Hi-Q-6/160 RT MC-3H HF Mobile antenna on the top of my carport with ONLY an 8'SS whip and NO CapHat. A vertical HF antenna offers many advantages—an omnidirectional signal collector and easy to install radiator are two of the biggest. 160 Meter Wire Antennas. Designed for the use of small UHF, VHF, 6-Meter, TV and FM antennas. The Sentinel 6 Band Hexbeam antenna from RadioWavz is the most remarkable HF radio antenna ever built. The antenna wire was attached to one side of the balun and a 10-gauge wire ran to a set of fanning wires used as a ground plane on the other. It utilizes a 9:1 UNUN transformer in order to bring the impedance of the antenna to more manageable values for your antenna tuner. It's got a manual tuning coil at the bottom and I've currently got it set for the 40m/7mhz band. 4 % only !. 2D: QRPGuys Portable Multi-Band End Fed Antenna 40/30/20 [schematic and build instructions], QRPGuys Portable No Tune End Fed Half Wave Antenna 80-10m [schematic and build instructions]. It may be even harder on 80 meters because everyone has a strong signal. It Will Handle The Legal Limit, 1500 Watts Of Power. In this video, Kevin Loughin builds, erects, and uses a 6-foot/1. parts list and building instructions]. A standard dipole at 1. A few years ago, I acquired a multiband commercial antenna called a half-sloper. According to the on-line calculator, it would tune from just above the 20 meter ham band, to below the 60 meter band. It utilizes an internal 9:1 UnUn and a BNC female antenna connector. Example : For a 160 meter loop, 1005 divided by 1. Efficiencies on the 60 meter band are enough that the signal should be usable, though 6 dB ( one S-unit ) lower than from a 90 foot long, dipole antenna. This is a junk bin special 160 meter antenna that i built just to test the concept last night. - 'Doc And just to clear up a misconception, and inverted 'V' antenna is not vertically polarized. The antenna tunes to 1:1 SWR (as the radio sees it) on all frequencies on the 160, 80, 40, 30, 20, 17, 15, 12, 10, and 6 meter amateur bands. A Hawaii-based Amateur Radio Antenna Blog focusing on the theory, design, and use of homemade antennas. Background. Articles about Antennas for Amateur Radio from HF to UHF. internal tuners - no antenna changes are necessary. A custom designed capacity hat system allows this vertical monoband antenna to get on 160 meters with unparalleled success in in antenna that is only 55 feet tall. It is nine sections including the stainless steel whip. And here are the elements for the antenna for the above SWR plot. WSPR 20 meter today I was reported by VK2XN with -4 dB. W6LVP amplified receive-only magnetic loop antenna (boy is that mouthful): The W6LVP mag loop is a complete receive antenna system delivering top-of-the-line performance to amateur radio operators and SWLs. eBay has a stellar selection of different 160-meter antennas available. This item has been viewed 0 times. Some people have used this 160 meter 1/4 wave antenna and put a series trap (resonant at 3. It weighs just 20 lbs. Pretty big signal. Mobile operators and those who reside on property of city-lot size should find the author's treatment of physically shortened 160-meter vertical antennas of considerable interest. 160 METERS ANTENNA (67) Antenna for the Low Bands 80 and 160m. Design considerations: The design of this 6 m dipole antenna shall include the following design considerations: • The antenna must be compact. Spiderbeam 160-18-4WTH Construction Guide This is a 34 page (!) document with Step-by-Step instructions for building the Spiderbeam 160-18-4WTH on a Spiderbeam 18m long telescoping fiberglass Spidepole. Alternatively, the mast can be made By Thomas Kuehl, AC7A An Efficient Multiband Vertical for 160 through 20 Meters 1Notes appear on page 49. With the antenna now adjusted for 160 and 80 meters, VSWR over the 7. I have set up one of the std. The SX600 measures forward and reflected power and VSWR. The HyEndFed 160 meter antenna worked GREAT ! The incoming signals during the CQ WW 160 Meter (SSB) Contest were very strong : signals between S9+30 - S9+40dB were no exception ! The spectrum scope & waterfall of my ICOM IC-7600 turned reddish all the time. Thanks for your terrific post. A 160 Meter Antenna for the Acreage-Challenged Ham Jim Streible, K4DLI Those of us who live on a city or subdivi-sion lot know how diffi cult it is to install an antenna for 160 meters. MA160V 160-Meter Vertical Monopole Antenna MA160V is a compact efficient vertical especially designed for working top-band DX from an average-size house lot. With a power output of 80 watts, I logged 1. 270 feet (90+180) long. On 40m to 160m, the op-amp can still be avoided but calibration of the meter for correct SWR reading can't be achieved. Like all ASC Signal earth station antennas, the 3. After spending some time modeling OCF antennas, the closest antenna I could find to a true multi-band dipole with reasonable SWR on most bands had an 80%/20% leg length and 200-ohm feedpoint. Part 1: Hidden Antennas for HOA restrictions? From our friends at www. This MFJ-2990 is a 43-foot self-supporting vertical antenna that covers 160 through 6 Meters with the use of an antenna tuner. Several close pictures of the antenna are provided in an effort to clearly show the quality of construction used. A 3-Element 160 Meter Vertical Array Rudy Severns, N6LF; [email protected] At this point (fall, 2003), the project is well over 2 years old, and is still not totally complete. The antenna has been operated on all except 160 meters with satisfactory performance. Information News Frequency List Channel List HFLINK is the international resource for HF Communications, HF Interoperative Emergency Disaster Relief Communications, ALE Automatic Link Establishment. Get the best deals on 6 Meter Antenna when you shop the largest online selection at eBay. AR-500 remembers up to 12 antenna directions even after a power outage! Control all functions with the remote control or console. You never quite know when the band will open and where it will take you. org The … K6MYC on Antenna Testing. Despite support in more available radios, however, the 6-meter band does not share the popularity of amateur radio's 2-meter band. If you're like me, you don't have enough real estate for that amount of wire!. Solve Virtually Any Restricted Space Problem - 40 Meter Isotron only 22 inches x 16 inches x 15 inches! Easy, Quick, and Simple Installation; Tunes & Performs Without Radials or Antenna Tuners; Handles Up to 1000 Watts PEP. In the evening when most of us have time to relax and enjoy a little time on the radio, the higher frequency bands are either dead or very crowded. 000 Power Rating 2kw Antenna Lengths 10 Meters each leg 9 ft. Closing one relay and opening the other yields a 2-element Yagi array. In his accompanying QST article,(1) Brian Beezley, K6STI, brings to our attention the details of how an antenna can be designed. 65 before possibly Tax or Shipping cost. The SlinkTenna is a compact, quick deploy, portable, Helical Dipole ham radio antenna system. The sixty-six foot version is built around a resonant 40 meter antenna and performs well on 80 meters. Home Brew 80/40 Meter Vertical Antenna I once own a butternut antenna and sold it. net is a Web site dedicated to ham radio (amateur radio). PEP !! at the best online prices at eBay!. The 160 meter loaded vertical antenna is constructed using an inexpensive Telescopic Fiberglass Fishing Pole 12m in length. Those who have used the antenna on 160 say the "GI Mystery" antenna is a quieter receiving aerial compared to other 160-meter antennas. One end comes with a #10. On the HFN HAM ALE. 160-10m, 80-10m or 40-10 meters depending on your available space. The 6 m-band (50–52 MHz) is the 14 th harmonic of the 80m-band. Design Configuration Inverted-L with a 6-wire cage for the vertical radiator. Hi,I've been evaluating options for a low noise receive antenna for 160 meters. Power usage +13. At this point (fall, 2003), the project is well over 2 years old, and is still not totally complete. Only a few lucky hams have room for this type of antenna on 160 or 75 meters but on 10 meters the overall length is just 43 feet long! This is smaller than a 40 meter dipole. The above graphic depicts the overall layout of the loop antenna consisting of 558 ft. 6-40 Meter MOTO-FMJ HF Mobile EMCOMM Antenna. The antenna diameter is 2” OD at the bottom, 0. This article provides details needed to build your own. What is an all band HF antenna? This is the type of antenna that will work on all high frequency bands that are currently allocated to the amateur radio operator. RARE used & tested working as it should Icom AT500 fully automatic antenna tuner covers 10-160 meters has 4 antenna switch box built in also a by pass complete with ac cord ALSO runs off 12 volt DC & coaxial cable from radio to tuner & the interface cable from my IC-706MK2 radio to tuner and another interface cable from ant tuner to an Icom AMP???. Those who have used the antenna on 160 say the "GI Mystery" antenna is a quieter receiving aerial compared to other 160-meter antennas. The dimension of the antenna below is in function of the frequency. 6-80 Meter HD-FMJ. A custom designed capacity hat system allows this vertical monoband antenna to get on 160 meters with unparalleled success in in antenna that is only 55 feet tall. 15 m)long legs of 90 ft (27. Dimension "A" is the height of the antenna from the base to the apex, not the length of each of the vertical wires. 5 KW end fed / ham antenna: $78. Download the Ground Plane/Dipole/Inverted V Calculator by N2IMF. Some TIPS on measuring VSWR and troubleshooting M2 … Antenna Gain: dBi vs. 62 m) of Dacron rope. While the antenna presents a reasonable impedance at 60 – 6 meters, it presents a very high SWR at 80 and 160 meters, due to its short length at those frequencies. 10-15 meters LoJack and XM radio Jammer For Sale. Skip navigation 160-6 Fan Dipole 80-6 meter OCF Dipole Antenna for SHTF or. Antenna motor connection on non-TarHeel antennas: Typically TarHeel supplies an extension cable from their antenna to a male plug, which mates with TuneMatic 4 pin female square connector. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. the bands represented are from 6 Meters through 160 Meters. 10-40 Meter 100W Base Alpha Loop + Remote. This collection of pages describes my largest antenna project to date. 8432 MHz S-9 signal source The array builder’s friend This signal source was designed to produce a 50 uV signal (S-9) into a 50 load. build a 2 meter 5/4 wave antenna the "ll cool j" - 2 meters for a song 2 meter collinear by m3fvb new 2 meter copper tubing slim jim by ke5fxu reduced size 2 and 6 meter yagi's 6 meter rotatable delta loop 6 meter zip cord edz 50 ohm feed 6 meter halo loop 6 meter edz signal squirter 6 meter 5/8 wave vertical. I limit my 160-meter antennas to ~800-feet long and use multiple antennas broadside when a sharper pattern is required. It covers the 80 meter through 6 meter Amateur Radio bands and can handle up to 100 watts SSB, 25 watts digital. A 160 Meter Dipole antenna with a 1:1 balun, length 265 ft, is the simplest practical antennas from a theoretical point of view; the current amplitude on such an antenna decreases uniformly from maximum at the center to zero at the ends. AEcreative 10-160 Meter Amateur ham HF Band Radio Wire Loop Antenna Balun Unun DIY kit T200-2 Type 2 Iron Powder ferrite toroid core 16AWG 1. However, you may find that your mono band delta loop may tune up on it's second harmonic at a higher frequency eg. Click the button below to add the XIEGU X5105 160-6 Meter Transciever, All Mode, QRP 5 Watts to your wish list. W1TR 80 Meter Vertical Loop. 2 KW CW & RTTY. On 160, the antenna performs like a Marconi. And that’s all there is to it! This is a great first antenna! Your next step, after getting some air time, will be to insert some traps in that dipole so you can use it on 20-meters. They are designed to give you years of trouble-free service! Find Buckmaster OCF Dipole Antennas DX-OCF-160 and get Free Standard Shipping on orders over $99 at DX Engineering!. , 43FT, 1500W,W/BALUN/MOUNT Any reuse or redistribution of the contents of this website are strictly forbidden without. ahead of the typical multiband wire antenna, as seen in the plots. No International orders will be accepted. I have set up one of the std. Finally, the lower right circle is drawn around the location of the 160 meter vertical. A 160 Meter Dipole antenna with a 1:1 balun, length 265 ft, is the simplest practical antennas from a theoretical point of view; the current amplitude on such an antenna decreases uniformly from maximum at the center to zero at the ends. On 160 meters we had 3 half-wave slopping dipoles on the 190 foot tower. Tuned this way, the antenna also radiates fine on 40-6 meters but does poorly on 80 meters unless a more exotic tuning network is used (I haven't bothered). It has gain and wave angle comparable to a full-sized ¼λ ground plane antenna with radials. The VE2DPE 160 Special!. In my neighborhood is having a dipole or other wide antenna for the low bands not feasible. A site dedicated for the AM Radio Amateur and vintage radio. For just 6 meters, a typical ground plane antenna would probably be the equivalent. Did I mention that we have trees here? Lots and lots of trees. The multiband dipole I describe in another article could have another wire added for 160 Meters. The results are published in the document Maximum-Gain Radial Ground Systems for Vertical Antennas, 2004. net Article: Getting on 160 Meters on a Budget - Don't let this fascinating band slip through your fingers. It is nine sections including the stainless steel whip. 800 (lowest 160 meter frequency in MHz) = 558 feet. 160-hleter transmission line antenna If height or space. Below are some of the more widely available antennas available on eBay: Variable sizes: While all of these options are 160-meter antennas, some are retractable as well. Here it is set up in the garden for testing on 145. 120" thick-walled tubing. Quickly switch bands and eliminate a tuner as one more thing to adjust. Multi-band with antenna tuner. 8 MHz and also on 160 meters. The capacitor between the antenna and radial junction is replaced with a tapped coil. - 80 Meters each leg 63 ft. After much planning and modeling of various different antenna types, I finally settled on a very simple antenna for 160. We’re talking about “reasonable” heights on a given band as discussed in the antenna literature. •Need lots of room, keep them away from metal objects like heaters and ducts •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. The antenna consists of a 9-meter shaped reflector, a shaped subreflector, and a linear or circular. Antenna performance and 2:1 VSWR bandwidth is site dependent and varies with height above ground and surrounding objects. This antenna has 38 meters of straight wire, with a. Antenna gain is measured in either dBi or dBd. Diamond ® Antennas are sold through authorized dealers. • Use NEC to model antenna and predict inductance required to resonate the the antenna - or: Use Vector Analyzer to measure feedpoint Z of an existing antenna that's too short, export data to SimSmith and predict inductance • Coil winding formulas in ARRL Handbook are very accurate. The data is normalized to a 1. Low price, High quality !! - Effective Radius Range 6 Antenna GPS, UHF, Lojack and Cell Phone Jammer (3G, GSM. all band doublet covers 160-6 Meters with balanced line tuner. It has gain and wave angle comparable to a full-sized ¼λ ground plane antenna with radials. You can see my antenna in the March 1998 issue of QST. Updated 25-Jun-2006 12:40 [back to W1TR Antennas and QTH] [back to W1TR Home] The 80 meter vertical loop is constructed from #10 stranded insulated wire available in most hardware stores. DX-EE - “No-Trap” 40-20-15-10 meter dipole or inverted V. This adjustable field omni antenna has a maximum power input of 500 watts. I chose 58' for Mid 80 Meter Operation. Easy to operate The plate-load True Resistance Indicator (TRI) is a powerful tuning aid which, together with the automatically controlled input attenuator, helps the operator to quickly and precisely match antennas (5-10 seconds typically). The results are published in the document Maximum-Gain Radial Ground Systems for Vertical Antennas, 2004. Example : For a 160 meter loop, 1005 divided by 1. fed using 50 Ohm coax via a SO-239 socket at the base of the unit. A tuner (not supplied) is suggested for 160 and 80 meters. I have always enjoyed operating on 160 meters. Hi-Q-6/160 RT MC-3H HF Mobile antenna on the top of my carport with ONLY an 8'SS whip and NO CapHat. 120" thick-walled tubing.