Monthly Archives: October 2017

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

Posted on October 19, 2017 by

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 →

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Unbox the Radioddity GD-77 (#81)

Posted on October 19, 2017 by

Unboxing the not-yet-released Radioddity GD-77, their “try again” DMR Tier 1/Tier 2 radio. I describe many of the promised features. It’s both analog and digital, and operates on both 2 meters and 70 cm. I should have the programming software … Continue reading →

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Testing the NEW GD-55+ for DMR (#80)

Posted on October 19, 2017 by

Here we are again, looking at the Chinese Radioddity GD-55+. The PLUS indicates they’ve made mods to solve the Slot 1/Slot 2 controversy. My testing indicates they’ve certainly gone a long way. They now cleanly transmit in only one time … Continue reading →

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My Station Antenna, Butternut HF-9V (#79)

Posted on October 19, 2017 by

Here’s an answer to a question I’ve been asked many times: what’s my station antenna? The answer is a Butternut HF-9V, a ground-mounted vertical with radials. This video explores how I have my antenna set up. You can see a … Continue reading →

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Unbox and Test FD-094B HDTV RX Antenna (#78)

Posted on October 19, 2017 by

Hams can use the PremWing FD-094B HDTV receive-only antenna for 2 meters and 70 cm. It’s surprisingly effective, giving me several SD and HD channels from Grand Junction, about 70 miles away as it bends over a couple mountains. You … Continue reading →

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Sorry about all the email from dcasler.com

Posted on October 19, 2017 by

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

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

Posted on October 19, 2017 by

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 →

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