Category Archives: Ask Dave

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

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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AD14 Typical CW QSO Charts

Posted on December 22, 2018 by dcasler

Here are the charts I used in Ask Dave 14, “Anatomy of a CW QSO,” by request. These PDF charts walk you through a typical exchange for a brief conversation in Morse Code. Click on this: A typical CW exchange. … Continue reading →

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Unbox and Test MFJ-849 Digital SWR Meter (AD #76)

Posted on June 29, 2017 by

Here’s a look at an MFJ-849, a nice digital power/SWR meter that MFJ sent me. It works well and has solid quality. It also requires no button pushing to get forward and reverse power and SWR because they’re all shown … Continue reading →

Posted in Ask Dave, Ham Radio blog entries, Video | 4 Comments

2017 MARC Field Day Photos AD#75

Posted on June 27, 2017 by

Come enjoy Field Day with us! Here are some slides showing Montrose (Colorado) Amateur Radio Club’s Field Day event. The purpose of Field Day, held at the end of June, is to practice using our radios “in the field,” such … Continue reading →

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Unbox and Test of W6LVP Receive-Only HF Loop

Posted on June 26, 2017 by

Here’s a great receive-only HF antenna good for stealth scenarios or just putting a receive antenna in a much quieter place. This antenna is the direct cost and performance competitor with the MFJ-1886. The W6LVP loop is better at stealth … Continue reading →

Posted in Ask Dave, Ham Radio blog entries, Video | 1 Comment

All About Baluns (Ask Dave #73)

Posted on June 21, 2017 by

I get lots of questions about baluns. This video explores baluns and gives demos. A balun is a device to convert a balanced transmission line to an unbalanced transmission line and vice versa. You can see a list of Ask … Continue reading →

Posted in Ask Dave, Ham Radio blog entries, Video | 2 Comments

LMR-400 Coax Cable and Connector (#72)

Posted on June 15, 2017 by

I’m new to Times Microwave LMR-400 coax cable, often considered the best in ham radio (and rather expensive). I purchased 500 feet for future antenna projects. Learn with me as I attach a PL-259 connector! You can see a list … Continue reading →

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