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Author: K4ECD

ADS-B: Build a simple ground plane Antenna

ADS-B: Build a simple ground plane Antenna

Materials:  solid copper wire (12, 14, 18 – whatever you have available!) SO-239 LINK Soldering Iron and solder Tape, Ruler, calipers or anything to measure a wire to a lenght of 75mm then finally the “snip length” of approximate resonance 67mm (technically the resonance is at 65.5mm… but from my experiments, 67mm does the trick!) Let’s get started: Steps: Cut and strip 9 pieces of wire to about 75mm each Take 8 of them and give them a “L” hook…

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Great Manpack Videos

Great Manpack Videos

So if you are into Portable ops, these manpacks sure do inspire! Keeping everything compact and secure while adding portability in an all in one package… Feel free to add comments below, and when you find great links, share them and I will add. Do you work the world portable? Share your rig! Let’s start with the stunning: Patrick Mueller He did not allow embedding of his manpack – so you must view on youtube 🙁 see link: Patrick Mueller…

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K4ECD Portable Equipment

K4ECD Portable Equipment

When I go portable, I carry the following Ham Equipment for Portable: Yaesu 857D LDG Z-100 Tuner with connection cable (self made): LINK Versa-Tee powerpole 4 in 1: LINK Bioenno 12v 12Ah  : Simply the best battery for Ham Radio on the Market! I was one of the very early adapters of this product in Ham radio, company offers GREAT support too. After 3+ years of ownership, I have not had a single complaint about this battery. Bioenno Battery Watts…

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K4ECD Frame Details & Dimensions

K4ECD Frame Details & Dimensions

Frame objectives: In 2013, I set out to build a lightweight frame to carry the Yeasu 857D portable with a tuner and Bioenno 12Ah battery. Over time I added other things, like a USB port and kill switch… Here is what I came up with. What makes my frame unique: it includes 4 storage bins (two large, and two small). It is not a difficult or expensive build, especially if you can do it DIY Thanks: If you build this,…

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Portable PVC Frame: Video

Portable PVC Frame: Video

Here is the K4ECD take on the backpack (portable) frame for my FT-857D. The two storage bins on the side are my unique twist to the designs we see on the web. I have used this for three years without issue. Listen for contact with W1AW/1 running 40 watts on 20M.