Author Archives: dcasler

How to Get “Rothammel’s Antenna Book”

Posted on August 1, 2019 by dcasler

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.

Posted in Ham Radio blog entries | 4 Comments

Hex Beam Model for EZNEC from Ask Dave 159

Posted on July 27, 2019 by dcasler

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

Posted on July 11, 2019 by dcasler
Posted in Ask Dave, Ham Radio blog entries | Tagged | 2 Comments

The GOTAHAMS Ham Club Gets Hams on the Air!

Posted on July 6, 2019 by dcasler

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 →

Posted in Ham Radio blog entries | 2 Comments

NASA Soldering Instructions

Posted on June 15, 2019 by dcasler

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

Posted on May 10, 2019 by dcasler

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.

Posted in Ham Radio blog entries, Product Reviews | Tagged | 4 Comments

Unlock Key Code for Anytone AT-D878UV

Posted on May 4, 2019 by dcasler

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 →

Posted in Ham Radio blog entries | 4 Comments

Market Comparison Chart that Accompanies Ask Dave #199

Posted on April 25, 2019 by dcasler

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

Posted on March 23, 2019 by dcasler

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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Announcement: Tech Videos (4th Edition) Now Available on Thumb Drive

Posted on March 18, 2019 by dcasler

The Technician training videos on YouTube are now updated for the 4th edition of the ARRL Ham Radio License Manual. In addition, by popular demand, I make them available on a USB Thumb Drive for US$29.99, postpaid anywhere in the … Continue reading →

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