Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA3HST callsign genealogy
Currently held by Cohen, Mark L
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WA3HST's current licensee, walking backwards.
- Cohen, MarkCAgranted 2020-06-09cancelled 2020-06-30
Successor callsigns
Callsigns held now by people who previously held WA3HST.
No current licensee on record previously held this callsign.