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Audio Clips

I'm running some tests to see how practical it might be to upload every contest QSO. In the meantime, I'll just test out the playback function off the server. Have a play and see what you think.Example audio clips: VK5CE/P (Australia) 20m band, about 08:00 UTC, summer 2013 VK3EY (Australia) 20m ...

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From the archive: Obligatory evening shot of a three element 40m array

DX Commander 40m 3 element vertical array

WEBSITE MOVED TO DXCOMMANDER.COMWe are working on an automatic re-direct to the new site for you. In the meantime, please surf over to dxcommander.com and find your product there. Thank you!The remainder of this page will shortly be archived.   Perhaps you've seen the YouTube video - or had a copy with ...

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Antenna Tow Ball Mount

WEBSITE MOVED TO DXCOMMANDER.COMWe are working on an automatic re-direct to the new site for you. In the meantime, please surf over to dxcommander.com and find your product there. Thank you!The remainder of this page will shortly be archived.    IMPORTANT NOTE: This is an experimental tow-ball mount. Under test, I achieved ...

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DX Commander Bare Bones Complete 10m Multi-Band HF Vertical

WEBSITE MOVED TO DXCOMMANDER.COMWe are working on an automatic re-direct to the new site for you. In the meantime, please surf over to dxcommander.com and find your product there. Thank you!The remainder of this page will shortly be archived.   All products that include the Classic Pole starts shipping 3rd Week June 2020Note: UHMWPE ...

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DX Commander all-band conversion kit

WEBSITE MOVED TO DXCOMMANDER.COMWe are working on an automatic re-direct to the new site for you. In the meantime, please surf over to dxcommander.com and find your product there. Thank you!The remainder of this page will shortly be archived.   This is the QRO conversion kit uses new UHMWPE plastic parts and ...

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DX Commander CLASSIC (40m - 2m) HF Multi-Band Vertical Kit

WEBSITE MOVED TO DXCOMMANDER.COMWe are working on an automatic re-direct to the new site for you. In the meantime, please surf over to dxcommander.com and find your product there. Thank you!The remainder of this page will shortly be archived.   This is for the Classic (original) version of the DX Commander vertical ...

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M0MCX Banana Antenna - an end-fed choke sleeve resonant feedline T2LT antenna design

A new document fully documenting the design of the Banana Antenna has now been released entitled, "Banana, a Half Wave End-Fed Choked Coax Antenna".Antenna can be known as - and is similar to:Sleeve Dipole / Flowerpot AntennaThe Sleeve dipole has traditionally been used by VHF antenna designers by sliding an ...

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JT65 UK Band Plan and how to stay within

The 5 MHz band is pretty cool and I've written about it before however out the box, JT65 allows you to very easily transmit out of band on 60m band. The segment we're interested in the UK is the freq block between 5.354 and 5.358. This has taken me a little ...

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Introduction to the 60m Band Plan (5 MHz)

60m is an interesting band. it's partly channelised into small segments and the propagation is a cross-breed of 40m and 80m.The band was first introduced apparently in 2002. Over the years, various countries have allowed their amateurs radio operators to use the band. All this is negotiated and approved in conjunction ...

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From the archive: Obligatory evening shot of a three element 40m array

10m Telescopic Classic Antenna Support Pole DX Commander

WEBSITE MOVED TO DXCOMMANDER.COMWe are working on an automatic re-direct to the new site for you. In the meantime, please surf over to dxcommander.com and find your product there. Thank you!The remainder of this page will shortly be archived.    The original DX Commander Classic Telescopic Pole.These are the best selling heavy ...

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Working 15m band on a 40m vertical antenna

Note: This article discusses the merits of a 3/4 (three quarter wave) vertical -vs- a 1/4 (quarter wave) antenna.You can build a 40m vertical quarter wave antenna and ground mount it with 16 x 4m radials and operate it at the third harmonic; 21MHz.Actually, all my experimentation has shown that ...

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Converting a 40m vertical to run on 80m / 75m band

Recently, I created a slightly loaded 40m vertical with 25 ground radials. It seems to work very well although the receive noise is pretty lousy compared to my loops and dipoles, however on transmit, it does seem to work as planned; a typical 1/4 wave pattern that outperforms regular dipoles at low angles of ...

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Raising Steel Antenna Mast on T&K brackets with pulley

I'm gradually swapping out any aluminium antenna poles for steel. Clearly these are very heavy, particularly with an antenna on top.The trick is to use V bolts (like U clamps but in a V shape) and not to use saddle clamps because the pole will not slide easily past the ...

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How to make a stealth amateur radio wire antenna

How to make a stealth amateur radio wire antenna

Until recently, I had a) a 40m triangular loop in the back garden which I called a "micro-mega-loop" and b) a 60m loaded loop that allowed me to get on 80m. The two loops looked a bit horrendous not only because of the wire in the air, but because I ...

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Special Event Operating Procedures

This note will be particularly beneficial to those who may be required to run a special event station either on the lower bands or maybe on VHF. These tips & tricks will also help you anywhere on the band, regardless of your circumstances.Preface: There are a number of aspects that ...

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Coax Loss Comparison

I can never find the comparison charts between RG213 and Henry Westlake's Westflex W-103. At last, I'll have this logged forever now. Per 100 meters:RG213/URM67(Mil spec)Westflex 103 100 MHz                      7 dB5.0 dB 144 MHz                    8.5 dB?? dB 200 MHz                     10 dB7.5 dB 300 MHz                     13 dB?? dB 400 MHz                     15 dB11.0 dB 1000 MHz                   27 dB18.0 dB 

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Antenna DesignsFree Download & Film

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Amateur Radio Antenna Blog
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