YO3HJV

This night I finished my small RTTY Beacon based on an Arduino Uno and a AD-9850 DDS. The tuning frequency is 14.088 kHz, USB. RTTY is sen...

Well, from time to time i like to take a swap to entire HF range to see what is new. The reporting system used is: Frequency <> MODE...

  I am the happy owner of a Tokyo HyPower HL-45B HF+6m 50W amplifier and a happier owner of an ICOM IC-703. To be the happiest owner of both...

A few days ago, Tony, YO3FXF came to our laboratory with a very nice looking Kenwood R-5000 Com...

A few weeks ago I wrote about Hytera PD-785G as I seen it and used it. Today I have to make a follow up about things that I disliked before,...