Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1AZR callsign genealogy
Currently held by SWITZER, ROBERT 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 K1AZR's current licensee, walking backwards.
- SWITZER, ROBERT MAZgranted 2023-03-21cancelled 2023-04-07
Successor callsigns
Callsigns held now by people who previously held K1AZR.
No current licensee on record previously held this callsign.