The Doctor Is In Podcast Episode 21

Listen to a discussion about Long Delayed Echoes (radio echoes which return to the sender several seconds after a transmission has occurred) in this episode of the ARRL The Doctor is In podcast.

These short podcasts are an approachable way of learning about technical topics related to Amateur Radio. The following topics have been discussed since the first epsode on April 7, 2016:

Is Your Version of TQSL Up To Date?

“As of 1400 UTC on January 16, ARRL Logbook of The World (LoTW) no longer will accept contacts that have been digitally signed by versions of TQSL earlier than version 2.0. Users of earlier versions are encouraged to upgrade as soon as possible, as older TQSL versions contain uncorrected defects and display inaccurate error messages.”[ 1 ] TQSL for MacOS and Microsoft Windows may be installed from the LoTW Installing or Upgrading TQSL page.

BY70-1 Cubesat Launched

“BY70-1 is a 2U CubeSat project for education and Amateur Radio. It features 3-axis stabilization and deployable solar panels. In addition to the FM transponder, BY70-1 has a camera, and plans call for downloading images and telemetry via a 9600 bps BPSK downlink. The IARU Amateur Satellite Frequency Coordination pages list an uplink of 145.920 MHz, and a downlink of 436.200 MHz.”[ 1 ]