Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1CDP callsign genealogy
Currently held by KOHAGEN, BRIAN L
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 W1CDP's current licensee, walking backwards.
- KOHAGEN, BRIAN LIDgranted 2009-05-27cancelled 2009-06-20
Successor callsigns
Callsigns held now by people who previously held W1CDP.
No current licensee on record previously held this callsign.