Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1YM callsign genealogy
Currently held by MANN, ARTHUR 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 K1YM's current licensee, walking backwards.
- James, John HMAgranted 1997-11-24cancelled 2007-06-05
Successor callsigns
Callsigns held now by people who previously held K1YM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1YM, oldest first.
- MANN, ARTHUR M MA2000-10-17 → cancelled 2005-03-26
- James, John H MA2017-03-30 active