Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5OP callsign genealogy
Currently held by CHAMBERS JR, WALTER 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 K5OP's current licensee, walking backwards.
- Simmons, Jimmy WMSgranted 2008-08-06cancelled 2009-04-14
Successor callsigns
Callsigns held now by people who previously held K5OP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5OP, oldest first.
- CHAMBERS JR, WALTER M TN1997-03-24 → cancelled 2009-03-25
- Simmons, Jimmy W MS2019-04-04 active