Author Archives: dcasler

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

Posted on February 20, 2020 by dcasler

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.

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

Phoenix Area Source for Used High Wattage Resistors

Posted on January 11, 2020 by dcasler

Oggie Dirk van Dijk notes that he’s found a variety of high-wattage resistors good for dummy loads at Apache Reclamation and Electronics in Phoenix. Their phone number is (602) 254-0613.

Posted in Ham Radio blog entries | Leave a comment

NanoVNA “Getting Started Manual” link

Posted on January 6, 2020 by dcasler

Oggie Lee Johnson, N4WYE, sent this link to a manual for how to use the NanoVNA. You can use the NanoVNA as an antenna analyzer. Click here for Part 1. Click here for Part 2. (Links updated 1 July 2020.) … Continue reading →

Posted in Ham Radio blog entries | 5 Comments

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

Posted on November 23, 2019 by dcasler

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 →

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

Story from John Cliff, GØWXU

Posted on November 9, 2019 by dcasler

I have just visited your QRZ page and noticed you used to be WB6GBT. I wonder if you knew an old acquaintance of mine from 1968. A guy named Wes Louden. He was a WB6. I do not remember the … Continue reading →

Posted in Ham Radio blog entries | Tagged , , , | 1 Comment

BigIR Parts List from SteppIR

Posted on November 2, 2019 by dcasler

Per a request from today’s live stream, here is the list of items shipped along with their list prices. Sorry that it’s a bit fuzzy—I had to downsize it to fit it on the page.

Posted in Ham Radio blog entries | 2 Comments

AD 195 Charts—APRS with the Anytone D878UV

Posted on October 7, 2019 by dcasler

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

TenTec Jupiter CW/keyboard Keyer Prosigns

Posted on August 10, 2019 by dcasler

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 →

Posted in Ham Radio blog entries | Tagged | 1 Comment

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 →

Posted in Ask Dave | Tagged , | Leave a comment