Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1TEM callsign genealogy
Currently held by Mac Kay, Thomas E
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 K1TEM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K1TEM.
No current licensee on record previously held this callsign.