Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1LEO callsign genealogy
Currently held by MC GONAGLE JR, LEO V
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 K1LEO's current licensee, walking backwards.
- Templin, Lion JMNgranted 2011-07-27cancelled 2019-06-25
Successor callsigns
Callsigns held now by people who previously held K1LEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1LEO, oldest first.
- MC GONAGLE JR, LEO V MA2007-12-05 → cancelled 2019-06-07
- Templin, Lion J MN2019-06-25 active