Started Feb 14, 2015
Started this discussion. Last reply by Chuck aa0hw Oct 1, 2020.
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Posted on February 8, 2021 at 9:00am
experimental setup to QSO QRQ CW at 18Khz VLF RF over ip - using a PEER to PEER Gstreamer PIPELINE TCP/ip setup and a Raspberry PI as a REMOTE VLF RX/ RE-TRANSMITTER
a PI2B is setup to RECEIVE another OP's VLF RF over IP transmission(CW at 18Khz) using a Gstreamer rtp TCP/ip PIPELINE - using the WAVPACK CODEC...the PI2b…Continue
Posted on February 1, 2021 at 11:45am — 1 Comment
test to see how stable the CW TIMING is at QRQ CW speed * 80 wpm * when using ASEQNET server/CLIENT setup midi over tcp/ip
a MIDI CW KEYBOARD is used as the CW MIDI…Continue
Posted on January 30, 2021 at 3:19pm
brief rundown of using a large FERRITE CORE LOOPSTICK tuned ANTENNA to hook up directly to the sound card input...and then use some SDR software modules to get rid of HUM, NOISE, HISS and other EMF QRM from the house wiring emf'N into the RX antenna etc...
the ULF CW TRANSMITTER is a PI 4's audio output - going to a 30…Continue
Posted on January 25, 2021 at 12:46pm
Posted on January 5, 2021 at 12:00pm