Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ALP callsign genealogy
Currently held by Petersen, Alan W
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 K1ALP's current licensee, walking backwards.
- Petersen, Alan WWIgranted 2021-08-16cancelled 2021-09-08
Successor callsigns
Callsigns held now by people who previously held K1ALP.
No current licensee on record previously held this callsign.