Category Archives: Ask Dave

New Collection of Dave’s Videos on Thumbdrives!

I have close to 1000 Ask Dave videos, and some of them have been popular. I’ve put together a thumb drive with ten videos—my most frequently viewed—available for only $29.95, postpaid anywhere in the US. You can see the details … Continue reading

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IC-7300 Firmware Update Charts

Here are the charts from Ask Dave 378 about updating the firmware on the Icom IC-7300. The charts can be found (PDF) by clicking here. Here’s the video:

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Derivation of the 468 over f formula for the length of a dipole

Per request from KEØKRO, here is the chart showing the derivation of the formula that the length in feet of a dipole is 468 divided by the frequency in Megahertz. Also, you can go here for a higher resolution PDF … Continue reading

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Website for info about DSTAR

Brad Rich provides this link for those wishing to learn more about DSTAR. Note it not only has lots of good info, but lists other links as well. Here is the link; you can just click on it to go … Continue reading

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MFJ-17754 Instruction Addendum from Ask Dave 265 and 266

In Ask Dave 265 and Ask Dave 266, I mentioned an Addendum to the MFJ instructions. This addendum describes that the antenna comes pretuned too long and will need to be shortened, and gives instructions for doing so. See the … Continue reading

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Reference Station Page Now Active

I’ve put up a page that takes you to the Reference Station list of equipment. It’s at Check it out. Comments should go to the video that introduces the reference station component.

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Ideal Stripmaster Wire Stripping Tool

In today’s livestream, I promised to put up a link to my wire stripper. They’re a bit expensive, but I don’t know how I ever lived without it! Note: if you purchase through this link, you’re helping to support my … Continue reading

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Samlex SEC-1235 Power Supply Manufacturer’s Markings and Certifications

A YouTube viewer asked what the manufacturer’s assertions are regarding certifications. Here’s a photo of the label on the bottom of my unit.

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How to get the latest Brandmeister DMR database for your Anytone D878UV

Oggie Roger Shults, KE4BFG, provides two helpful links. The first is a tool to download the latest DMR database from Brandmeister, and the second is a video that describes how to use it. If you use this tool frequently, you’ll … Continue reading

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AD 195 Charts—APRS with the Anytone D878UV

Per request, I’m uploading a PDF version of the charts I created for the video. Click here. Here’s the video for handy reference:

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