TFA is from the now defunct magazine Monitoring Times which was about ham radio, shortwave listening and radio in general.

People interested in such topics may enjoy a successor magazine, Spectrum Monitor [1], which covers similar topics and has had some of the same writers as Monitoring Times (Note: I have no affiliation with either magazine).

[1] https://www.thespectrummonitor.com/

edit: Corrected name of Spectrum Monitor which I botched the first time.