Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO1PF callsign genealogy
Currently held by BRANSFORD, JOHN D
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 KO1PF's current licensee, walking backwards.
- BRANSFORD, JOHN DMIgranted 1999-07-27cancelled 1999-11-23
Successor callsigns
Callsigns held now by people who previously held KO1PF.
- BRANSFORD, JOHN DMIgranted 2000-07-14cancelled 2000-09-02