Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9MPD callsign genealogy
Currently held by HAIMBAUGH, RUSSELL C
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 KC9MPD's current licensee, walking backwards.
- HAIMBAUGH, RUSSELL CINgranted 2013-08-21cancelled 2013-09-10
Successor callsigns
Callsigns held now by people who previously held KC9MPD.
- Briggs, Terence AWIgranted 2017-10-05
All historical holders
Every license row we've seen with the callsign KC9MPD, oldest first.
- Briggs, Terence A WI2007-12-06 → cancelled 2007-12-27
- HAIMBAUGH, RUSSELL C IN2023-08-15 active