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Home » Statistics » Most Popular Queries » The catalogue of ham radio resources from popular websites related to the keyword: 40 meter homebrew antenna |
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Hex Array - 80/40 Meter Vertical Related text in page: «This page describes my homebrew 80/40 meter trap vertical. ... The trap is a coaxial cable trap, made from RG-213 cable. The overall height of the antenna is approximately 48.6 feet. The radiation resistance on 80 meters is approximately 25 Ohms, and 35 Ohms on 40 meters. ...» Homebrew Antennas by WS8G Related text in page: «FD 40/80 (Field Day 40 Meter/ 80 Meter Vertical) This simple antenna is a base loaded vertical built from 1 1/8 inch chain link fence rail. It is 20 feet high and can be erected by one person in about 5 minutes. Cost of materials all available in the hardware store/lumber yard is under $15. ...» DXZone / 2 meter homebrew antenna Related text in page: «Homebrew Travel Antenna pop - This is a low cost homebrew two band travel antenna for 20 and 40 meters. ... I0SJC G5RV antenna - A plan to homebrew a G5RV antenna, tunable on 10-15-20-40-80 meters band ...» Amateur Radio Antenna Projects Related text in page: «Amateur Radio, Antenna Theory, Homebrew Antennas, Hidden and Stealth Antennas, CC&R's, and Antenna restriction. ... MegaHex Beam 30/40 Meter -- From K7HC. HT Extension Antenna - The Tiger Tail. IK-STIC -- multi-band vertical dipole antenna used for quick set-up and quick band change -- From W2IK. IK-STIC 2 ...» Homebrew Wire antennas for amateur ham radio Related text in page: «Homebrew amateur radio antenna section - a selection of Wire antennas meeting your search criteria ... It was designed to cover 80, 40, 20 15, and 10 meters. ...» Bill's- HomeBrewed Pan Cake - 40 Meter TAK-tenna - Station ... Related text in page: «Bill's- HomeBrewed Pan Cake - 40 Meter TAK-tenna - Station Blog - At MyHamShack you get a free personal web page for your shack - Your Shack. Your Ham Shack Pictures, Blogs and Projects.» hex-beam : Message: Homebrew 40 meter hex beam antenna Related text in page: «Homebrew 40 meter hex beam antenna. Hell everyone! I am toying with the idea of building the above and was wonderig if anybody soud. send me the design for it of point me ... I would like it to be a multi bander, but it will not be as good as a dedicated hex beam antenna - be it classical or...» YouTube - My Homebrew 40 meter dipole Related text in page: «A short video to show how easy it is to make a workable antenna in your own back garden cheaply and simply.<br>This is the antenna I used last night to work KD2R... My Homebrew 40 meter dipole. markbeermonster 65 videos Subscribe Edit Subscription. Loading...» Antennas, Home Brew Related text in page: «It's difficult to use a 20 meter coil on 40 meters, because the overall length would be over 16 feet! Sometimes you can find old Master Mobile coils on ebay. Although old, most are still usable or at least adaptable to other means of support, like a homebrew mast. Return. Masts ...» efhwa Related text in page: «One is an EFHWA for 20-40 meters, and the other is a matching unit for the antenna. This all came about because of another project: I'm building a Rock-Mite CW transceiver and needed a 40-meter antenna. The antenna is 33-feet tall and uses stranded 20-ga insulated wire in three sections. ...» Half-Wave Dipole Antenna Related text in page: «Here is a simple dipole antenna that costs very little to make and which can built and put up in a day. But it helps if you have two or three treees or supports to hang the antenna from.» Homebrew 40m 7 MHz antennas for amateur ham radio Related text in page: «Homebrew amateur radio antenna section - a selection of 40m 7 MHz antennas meeting your search criteria ... The antenna is basically a full wave 80 meter loop on top and a 40 meter loop on the bottom all supported from a 64 foot center support, namely my ...» DXZone / qrp homebrew Related text in page: «Transceivers, filters, converters, frequency meters, antenna analyzers, ATV receivers, interfaces ... 40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on ...»
BUILD THE "COBRA" ANTENNA By Raymond A. Cook W4JOH Taken from ... Related text in document: «has been reported in the article to be excellent! ( With a tuner of course) This antenna design ... the antenna on the 80 meter version, (210 feet per side), and about half that on the 40 meter ...» High-Efficiency Antennas for Hand-Held Radios Related text in document: «the efficiency of these homebrew anten- nas approximates that of a ... the best height. for the antennas. Results of the 2-Meter Gain. Measurements. Here is how ...» A 20 Meter Moxon Antenna Related text in document: «40 meters, outside of the Novice band. Thus. began my interest in antennas. I quickly ... 6 foot tower with. a homebrew five element, 10 meter Yagi, again ...» Homebrew Buddistick 2007 Related text in document: «On 17, 20, 30, 40, and 60 Meters, the homebrew. version will be about ... 40 Meters is a popular band, so I'm suggesting a coil specifically for that ...» The TAK-Tenna™ Review A Limited Space HF Antenna Review Related text in document: «you at one time or another in your search for an HF antenna that will fit your. space. Can you imagine needing about 65 feet horizontal distance to put up a 40 meter. horizontal wire dipole or inverted V and all the space you have is just enough ...» Cheap Antennas for the AMSAT LEO's Kent Britain -- WA5VJB ... Related text in document: «The 435 MHz reflector and directors were from a roll of Radio. Shack Aluminum Ground Rod wire. RS Stock number 15-035. 40 feet will run you about 5 bucks and. make a lot of antenna elements. ... One of my first prototypes tried to use the last 2 Meter director as the 435 MHz reflector. ...» The Half Square Yagi K6EI Related text in document: «Critical Attributes for an Effective 40 meter DX Antenna ... West Coast 40-meter openings to the Far East (via IONCAP) If your antenna's main elevation isn't between 3 and 20 degrees, you're ...» THE HF MOBILE ANTENNA - PART I Related text in document: «other factors being equal) so some homebrew systems are designed to just clear. 13-1/2 ft. underpasses. The efficiency of an 8 ft. loaded antenna is quite low, especially on the 75 and. 40 meter bands, as can be seen in the graph ... about half the efficiency shown in the graph for 75, 40, and 20 meters. ...» A Winning Antenna Related text in document: «have a single wire antenna that will fit my yard and. give me the most miles per watt. I don't have room ... This antenna should not need a tuner on the 40, 20, 15, and 10 meter bands although you ...» Test Equipment, Commercial and Homebrew Test Strategies ... Related text in document: «A Simple 40 Meter CW Receiver. Companion Transmitter for 40 Meter CW. A Simple RF Power Amplifier for QRP. RF Interference Problems ... Power Meters. SWR and RF Power Meters. No Shack is Complete Without One. Check / Tune your Antenna. Verify ...» March/April 1999 QEX Related text in document: «This diagram includes the basic transceiver panel, tuning 40 to. 39 MHz, and the three front-end sections, for HF, 6 meters and 2 meters. Additional front-end sections, for other VHF or UHF ... 2-meter homebrew transceiver at about. 200 W, on only six panels, ...» Chapter 14Low Band DXing From a Small Garden Related text in document: «10-meter tall 40-meter vertical into an efficient inverted L at ... With some ingenuity you could homebrew a switching. system that grounds/ungrounds one ...» An HF Portable Antenna Related text in document: «This base loaded antenna costs about $129 USD and is. usable on 80 to 10 meters. I ... would be to homebrew a. single band antenna for 75 meters to work with ...» technology technology s sh ho ow wc ca as se e Related text in document: «meters is a homebrew dipole cut for. 14.300, and on 10 meters, a vertical anten- na at 28. ... one exception: On the crowded 40- meter band in between international. broadcasters with ...» WHOLE 80 METER BEAM STORY (long) Related text in document: «The 80 meter antenna project started out when K0RF and W0UA stopped ... Having a fair amount of experience in building homebrew antennas since I have 4 towers and 15 homebrew antennas for 10 through 40, I figured I might be able to build an 80 meter yagi from scratch. I had an account with a hardware ...»
 Found image: WA2KBUqsl jpeg Related text in page: «DX 20 CW transmitter and a surplus US Navy R 116 receiver Antenna was a 40 meter dipole on the roof This was a QSL to my Elmer John Phillips K2QAI WA2KBU QSL from my QTH on Long Island We lived at this location for 10 years My rig was Heathkit Twins SB 303 Rcvr and SB 401 Xmtr and a homebrew linear amplifier 4 1000» Source: http://home.comcast.net/~k8ny/k8nybio.html  Found image: radio3 jpg Related text in page: «with parallel port interface RF board audio BFO The volume control is on the front panel while the antenna connection audio output and keyer input are located on the rear panel Photo 2 The bottom side of the chassis showing the transmitter modules The transmit receive sequencer is at the top left the 1st 2 transistor stages of the output amplifier are at the» Source: http://www.john-wiseman.com/technical/homebrew.htm  Found image: Zepp 005 jpg Related text in page: «5 Present QTH Howard Pennsylvania Centre County U S A 5 My favorite antenna is the Center Fed 40 Meter Double Extended Zepp Fed with six inch wide homebrew open wire using 10 wire and 1 2 inch x 7 inch PVC pipe spacers at 1 foot intervals A» Source: http://www.qrz.com/callsign?callsign=K3SEW  Found image: radio4 jpg Related text in page: «to degrade the signal quality All in all several operators have expressed their surprise that it is not a store bought rig and that is taken here as the ultimate compliment Photo 5 The complete radio on my desk ready to operate From the bottom left power supply homebrew radio Heathkit QRP wattmeter and antenna tuner Although I typically use headphones» Source: http://www.john-wiseman.com/technical/homebrew.htm  Found image: 2 Meter Ant jpg Related text in page: «To the right is Art s WA1ART homebrew ladder tower literally made from ladder It is approximately 40 feet high with a G5RV on HF and a 2 meter antenna on top To the left of his» Source: http://www.buckmore.com/Field%20Day%202004_1.html  Found image: 40Yagi jpg Related text in page: «7 30 Mhz the antenna was built in 1995 K4EWG see ARRL Antenna Handbook was helping with the calculation The construction was made by LX1SP Louis LX1AQ Philippe and by myself Next was this 40 meter monoband yagi the front to back on the V Yagi was not good enough this construction only survived one winter ice and storm was taking it finally down» Source: http://webplaza.pt.lu/lx1kc/antennas.htm  Found image: The Working End Related text in page: «The Mosley 4 Element Beam and underneath this is the homebrew W3DZZ 80 40 and 30 meter wire antenna» Source: http://www.iomars.com/pages/events/2009/museums_on_the_air  Found image: kl7jr4010verticaldipolepickup jpg Related text in page: «Method at Hamuniverse com for more details of this homebrew idea This design does not take up much space especially for a multi band antenna 40 10 meter vertical dipole ready for action To make this antenna more portable I used 1 1 4 inch PVC schedule 40 water pipe in 4 or 6 ft lengths for» Source: http://www.hamuniverse.com/kl7jr4010portablevertical.html  Found image: vst6el gif Related text in page: «meter I used another length 6 meter of 36x32 mm that was pushed in the other pipe So I have a very strong boom that is again supported by a rope See the foto All other dimensions are in the drawing I took quite some time to measure and align the antenna After the many cuts and pastes to the elements I came to the following measured results Return loss >40 dB f b Ratio» Source: http://www.pa2v.com/2.htm  Found image: Omega2 jpg Related text in page: «A vertical mast on the top of this has been fixed a 80 pyramid antenna Two meter below a 40 meter pyramid is fixed» Source: http://webplaza.pt.lu/lx1kc/antennas.htm  Found image: Omega jpg Related text in page: «A vertical mast on the top of this has been fixed a 80 pyramid antenna Two meter below a 40 meter pyramid is fixed On 160 meters i was using my tower tuned up with an omega match my 3 element KT34XA Yagi was working as capacity» Source: http://webplaza.pt.lu/lx1kc/antennas.htm  Found image: PQDBLOC gif Related text in page: «a good image viewing program such as IrfanView Let s start the functional description at the antenna lower left corner The receive signal enters through the TX low pass filter and is routed straight to the receiver via passive circuitry There it passes a band pass filter tuned to the 40m band and goes without any preamplification to a MOSFET mixer The reasons for both» Source: http://ludens.cl/Electron/pqd5/PQD5.html  Found image: big pop40 b gif Related text in page: «Band pass Filter and RF Preamp From the 50 ohm receiver antenna jack first off is a double tuned band pass filter which was designed by Rick Campbell KK7B and works very well The» Source: http://www.qrp.pops.net/popsuphet.asp  Found image: POWERAF GIF Related text in page: «is the Figure 3 bread board You can also see the VFO buffer amp and the audio transformer I tried several AF preamplifiers but preferred Figure 3 to all others Audio Power Amplifier Figure 4 provided 3 nights of experimentation The base circuit for this amplifier was Figure 1 17 from EMRFD To increase power gain and reduce harmonic distortion Darlington» Source: http://www.qrp.pops.net/Two-Bravo-2009.asp  Found image: Audio power amp bread board Related text in page: «this amplifier stage in other projects that have a higher gain pre amplifier I recommend keeping Rg at 3K3 ohms as this amplifier will likely exhibit lower distortion characteristics Shown above is the Figure 4 bread board A 10 ohm resistor was used to decouple this stage Without the resistor audio oscillations at around 850 Hz manifested when the volume was» Source: http://www.qrp.pops.net/Two-Bravo-2009.asp
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