Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA7FAM callsign genealogy
Currently held by Terpstra, Merrill T
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 KA7FAM's current licensee, walking backwards.
- Terpstra Sr, Merrill TWAgranted 2014-04-28cancelled 2014-05-30
Successor callsigns
Callsigns held now by people who previously held KA7FAM.
No current licensee on record previously held this callsign.