Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA5STN callsign genealogy
Currently held by CALLAHAN, STANLEY E
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 KA5STN's current licensee, walking backwards.
- CALLAHAN, STANLEY EOKgranted 2016-01-22cancelled 2016-04-23
Successor callsigns
Callsigns held now by people who previously held KA5STN.
- KELSO, JOHN QORgranted 1988-11-08cancelled 2000-11-09