Something we missed posting about from last year was this presentation on “RasHAWK”, a direction finding system (pdf) built out of a Raspberry Pi, an RTL-SDR and four antennas on a 4 way switch running software created with REDHAWK. REDHAWK is a visual DSP development platform that can be considered similar to GNU Radio or some parts of MATLAB. The authors write:
The RasHAWK team has used a Raspberry Pi as the basis for a networked RF sensor capable of supporting spectrum monitoring, signal intercept and direction finding (DF) operations.
Several RasHAWK sensors are deployed in a distributed sensor grid, wirelessly tethered to a command and control (C2) laptop. The system has the following key features and capabilities:…READ MORE
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Icom ID-52A/E debuts ! [ ICOM VIDEO ]
ICOM ID-52A /E, Icom new Dual Band Handheld will come soon. Read more
Wireless Bluetooth mic for Yaesu mobile radios FT-7900R/100DR etc
Yaesu mobile Yaesu Mobile Radio Please check our new bluetooth speaker mic VGC BMH-68, it’s a very perfect replacement for the MH-48 serial wire... Read more
Eric’s presentation on the Elecraft K4 – QSO Today Virtual Ham EXPO
Elecraft K4 ” “Congratulations to the QSO Today Virtual Ham EXPO Team! A very successful event that was a lot of fun for all of us here a... Read more
Ionospheric radio propagation, Skywaves, Skip Distance, & Skip Zone are key aspects
Understanding the way in which HF radio signals actually propagate can help the effects of ionospheric propagation to be used to its best. Skywaves, s... Read more
Microsat APRS Voyager + GPS-RS232
APRS Tracker/TNC With 7W Transceiver With External GPS Antenna Configuration software for Windows (STABLE firmware): APRS Voyager Configurator v1.08 (... Read more
Having Fun With VHF – Bob Witte K0NR
This is a video of my presentation for the QSO Today Virtual Ham Expo. Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Sunspot Cycle 25 is under way. We saw one new spot on July 28 and two new ones on August 2 and 3. The daily sunspot... Read more
New 2700km+ IARU Region-1 tropo record on 23cms between Ireland and the Canary Islands – 17th July 2020
On the 17th of July 2020, there was an opening between the Canary Islands and the UK & Ireland on the VHF & UHF bands. A remarkable contact wa... Read more
Icom releases the ID-52A/E Amateur Handheld Transceiver with Color Display and Bluetooth® Communication
Icom Incorporated (Headquarters: Hirano, Osaka, Japan/President: Masataka Harima) releases the ID-52A/E*, VHF/UHF dual band digital transceiver that s... Read more
Meet Up with ARRL Virtually August 7 – 9 at QSO Today Virtual Ham Expo
ARRL will be a virtual exhibitor at the all-online QSO Today Virtual Ham Expo, Friday – Sunday, August 7 – 9. ARRL staffer Bob Inderbitzen, NQ1R — a f... Read more
