Automatic Packet Reporting System (APRS) developer Bob Bruninga, WB4APR, is looking for someone who will build a linear satellite transponder for PSK31.
“If someone will build a linear PSK31 transponder, I have a launch opportunity in 9 months,” Bruninga said in a posting to the AMSAT Bulletin Board. “All it needs to be is a PSK31 linear receiver on 28.120 MHz (3 kHz bandwidth) with AGC coupled …
American Radio Relay League | Ham Radio Association and Resources
Bob Bruninga, WB4APR, led a group of radio amateurs earlier this month to Mammoth Cave — the world’s longest known cave system — at Mammoth Cave National Park in Kentucky to test how the Automatic Packet Reporting System (APRS) can be used as a means to extend radio communications underground. “When used underground, VHF and UHF radios can only work within a few hundred feet of each other and…
American Radio Relay League | Ham Radio Association and Resources
The winner of the August QST Cover Plaque award is Bob Bruninga, WB4APR, for his article “Rethinking Electrical Power for the Ham.” Congratulations Bob! The QST Cover Plaque award — given to the author or authors of the best article in each issue — is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. Cast a ballot for your favorite article in the September issue today.
American Radio Relay League | Ham Radio Association and Resources
APRS-CE Sending/receiving locations, messages, and other data via amateur radio. Demo connection aprs-ce in IPAQ wince via tcp/ip – net.
OK, Bob Bruninga WB4APR basically has one presentation that he tweaks a little depending on the topic and the audience. He had three presentations at the DCC, and each was a variation on the same talk! This is #1. Than there’s the ‘Intro to APRS’ session, and his part of the Sunday Seminar. If you watch all three, you’ll get something new from each. And your head will be spinning.