Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1FDP callsign genealogy
Currently held by 157 AREFG/SIM
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 K1FDP's current licensee, walking backwards.
- Jasper, Jason PNHgranted 2008-06-05cancelled 2009-04-21
Successor callsigns
Callsigns held now by people who previously held K1FDP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1FDP, oldest first.
- 157 AREFG/SIM NH1990-05-07 → cancelled 2002-05-08
- Jasper, Jason P NH2019-06-05 active