Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3MRX callsign genealogy
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 KA3MRX's current licensee, walking backwards.
- KB3GFAcancelledSomerset County Amateur Radio Emergency ServiceMDgranted 2001-02-27cancelled 2001-03-27
Successor callsigns
Callsigns held now by people who previously held KA3MRX.
- CANN JR, HOWARD EMDgranted 2018-08-29
All historical holders
Every license row we've seen with the callsign KA3MRX, oldest first.
- Somerset County Amateur Radio Emergency Service MD2021-01-29 active
- —— → cancelled 1998-11-09