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 really detail how to wind toroids. It’s now up and works: check for ke0og on wsprnet.org.
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 soon. It comes with a programming cable.
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 slot at a time. I leave it to others with more sophisticated test equipment, and as we have no DMR repeater near here, others can test for compatibility with standard DMR repeaters. I suspect I’ll get lots of comments!
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.
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 can find it at Amazon at https://www.amazon.com/dp/B01N11V1HH.
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 at the same time. Nice little rig.
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 as for emergency events.
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 and ships in a much smaller box.
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