Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5FIQ callsign genealogy
Currently held by MAYFIELD, MARTIN J
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 KD5FIQ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD5FIQ.
- N5BOPexpiredSIERRA GRANDE REPEATER CLUBNMgranted 2009-01-17cancelled 2021-04-13