Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5MMR callsign genealogy
Currently held by ROSAMOND, MARIE M
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 KF5MMR's current licensee, walking backwards.
- ROSAMOND, MARIE MMSgranted 2013-12-03cancelled 2014-01-17
Successor callsigns
Callsigns held now by people who previously held KF5MMR.
- WEST, JERRY BTXgranted 2021-09-16
All historical holders
Every license row we've seen with the callsign KF5MMR, oldest first.
- WEST, JERRY B TX2011-08-30 → cancelled 2011-09-27
- ROSAMOND, MARIE M MS2024-06-11 active