Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3CQR callsign genealogy
Currently held by MONG, WALTER
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 K3CQR's current licensee, walking backwards.
- MONG, WALTERPAgranted 2014-07-31cancelled 2023-12-01
- N3SBNno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K3CQR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3CQR, oldest first.
- IRWIN, WILLIAM P FL2003-03-06 → cancelled 2015-06-02
- MONG, WALTER PA2023-12-01 active