Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA2TMU callsign genealogy
Currently held by LONGYEAR, JOHN R
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 KA2TMU's current licensee, walking backwards.
- LONGYEAR, JOHN RNYgranted 2012-03-30cancelled 2019-02-16
Successor callsigns
Callsigns held now by people who previously held KA2TMU.
- LONGYEAR, JOHN RNYgranted 2012-03-30cancelled 2019-02-16
All historical holders
Every license row we've seen with the callsign KA2TMU, oldest first.
- LONGYEAR, JOHN R NY2007-01-25 → cancelled 2012-03-30
- LONGYEAR, JOHN R NY2019-02-16 active