Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MA callsign genealogy
Currently held by CARMAN, R JAN
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 K5MA's current licensee, walking backwards.
- KC1LRRcancelledTelegraph Hill Contest ClubMAgranted 2019-07-15cancelled 2019-08-03
Successor callsigns
Callsigns held now by people who previously held K5MA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5MA, oldest first.
- CARMAN, R JAN MA2014-09-19 → cancelled 2018-11-13
- Telegraph Hill Contest Club MA2019-08-03 active