Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3TFM callsign genealogy
Currently held by HAMEL, WILLIAM N
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 KA3TFM's current licensee, walking backwards.
- HAMEL, WILLIAM NPAgranted 2018-12-14cancelled 2022-10-25
Successor callsigns
Callsigns held now by people who previously held KA3TFM.
- HAMEL, WILLIAM NPAgranted 2018-12-14cancelled 2022-10-25
All historical holders
Every license row we've seen with the callsign KA3TFM, oldest first.
- HAMEL, WILLIAM N PA2018-04-19 → cancelled 2018-12-14
- HAMEL, WILLIAM N PA2022-10-25 active