Category Archives: Uncategorized

Stuff You Need to Know to Set Up Your VHF/UHF Rig (#91)

Using CHIRP as our guide, let’s look at all the different stuff you need to understand before you set up your VHF/UHF handheld or mobile. We look at frequencies and offsets, CTCSS tones, simplex vs duplex, and much more. Thanks … Continue reading

Posted in Uncategorized | Leave a comment

Review of MFJ -9232 QRP Mini Loop Tuner (AD#90)

This week’s video takes a close look at the MFJ-9232 QRP loop antenna. Given sizes of components and all, it is rated to handle no more than 25 watts. It can be used both indoors and out. This is a … Continue reading

Posted in Uncategorized | Leave a comment

Review of MFJ-1984MP End-Fed Multi-band Antenna (# 89)

This turned out to be one weird antenna. It’s an end-fed multi-band antenna that’s best used in a portable environment. I had to get MFJ’s help to figure out what was going on; I provide all this info in the … Continue reading

Posted in Uncategorized | Leave a comment

Making and Using a Simple 40-m Dipole (#86)

I’m often asked how to make a dipole. In this video I use materials on hand to build a 40-meter amateur radio dipole. I hung it on the antenna test rig I built this past week, and it works great! … Continue reading

Posted in Uncategorized | Leave a comment

Setting up to Test Wire Antennas (#AD 85)

I have several wire antennas ready to test, but needed a couple masts. This video describes how I used chain-link-fence top rail together with pulleys and guy rope to set up the “test range.” This is an easy technique you … Continue reading

Posted in Uncategorized | Leave a comment

The Coax Connection: Interview with Ray Nelson, N1MPD (#AD 83)

Here’s a new approach. For the first time on an Ask Dave video, I’m focusing on an interview! In this case it’s with Ray Nelson, N1MPD, who with his wife own USA Coax (www.usacoax.com, or www.coaxusa.com, or mpddigital). Ray’s an … Continue reading

Posted in Uncategorized | Leave a comment

Adding 20 meters to the QRP Labs Ultimate3 WSPR TX (#82)

I moved my little QRP Labs Ultimate3 WSPR transmitter from 30 meters to 20 meters, which involved building the kit for the 20 meter low pass filter. Follow along as I step through the process, stopping for a moment to … Continue reading

Posted in Uncategorized | Leave a comment

Sorry about all the email from dcasler.com

We’re getting the site back up to date and in sync with YouTube. Please pardon all the email. It shouldn’t last too long. -Dave

Posted in Uncategorized | Leave a comment

Review and test of Iso-Tip 7700 Portable Soldering Iron (#77)

I’ve never used a portable, rechargeable soldering iron before. This one surprises me: it heats quickly, charges quickly, and has easily interchangeable tips. Pretty cool, really. You can see a list of Ask Dave videos by clicking here. You can ask … Continue reading

Posted in Product Reviews, Uncategorized | Leave a comment

Unpacking and Testing the XR2206 Function Generator (#57)

Let’s unpack and then test a remarkably inexpensive kit for a sine/triangle/square-wave 1Hz to 1MHz kit. Dirt cheap and works. This video covers only unboxing and then testing. For construction, see Randy K7AGE’s video at https://youtu.be/EFRVeoh20Bc. You can see a … Continue reading

Posted in Ask Dave, Ham Radio blog entries, Uncategorized, Video | Leave a comment