Author Archives: dcasler

TenTec Jupiter CW/keyboard Keyer Prosigns

Per request of Dale Mason, here are the prosigns I found available to you when you plug a keyboard into the back of the updated TenTec Jupiter for CW mode. The overline (e.g., BT), means the characters are run together … Continue reading

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How to Get “Rothammel’s Antenna Book”

I mentioned in my 2019 Dayton video that the popular German-language antenna book has been translated into English. See below for how to order one. Note that I ordered mine 12 July 2019 and it arrived about 3 weeks later.

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Hex Beam Model for EZNEC from Ask Dave 159

In Ask Dave 159, I used a hex beam model for EZNEC that was put together by the antenna’s designer, G3TXQ. The following link takes you to G3TXQ’s page where he describes the modeling. G3TXQ web page describing modeling method. … Continue reading

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Two Meter Band Chart Used in Ask Dave 209

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The GOTAHAMS Ham Club Gets Hams on the Air!

I met Ken Mixon, KC6WOK, and his wife Kathi, KD6CAF, at the Quartzfest hamfest at Quartzsite, AZ, last January. His wife took the picture shown below. What’s interesting about a letter he sent me prior to Field Day is information … Continue reading

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NASA Soldering Instructions

An Oggie who wishes to remain unnamed sent me this extract from NASA soldering guidance circa the Apollo moon project. The big difference between normal techniques and this one is that NASA recommends clipping the leads prior to soldering. It … Continue reading

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Icom IC-7300 Review Notes

Yesterday I posted a review of the Icom IC-7300, Ask Dave #201, which you can see on YouTube (click here). Here are my review notes, written on my 79-year-old typewriter.

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Unlock Key Code for Anytone AT-D878UV

I received an email to Ask Dave inquiring about the key sequence to unlock the keyboard. The radios come from the manufacturer with the keyboard locked so that it complies with FCC rules for those outside ham radio who are … Continue reading

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Market Comparison Chart that Accompanies Ask Dave #199

Here’s the chart I used for Ask Dave #199. It shows the offerings from Icom, Kenwood, and Yaesu as well as Alinco and Elecraft and how they’re positioned pricewise. Dollar figures are street prices from Ham Radio Outlet, DX Engineering, … Continue reading

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Drawings Used in Ask Dave 7

Oggie Mike, K9MK/5, has asked for the charts used in Ask Dave 7, an introduction to antennas for difficult situations. The charts can be downloaded in ZIP format by clicking here. The charts are images in PNG format.

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