Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WSP callsign genealogy
Currently held by Pollard, Walter S
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 K4WSP's current licensee, walking backwards.
- Pollard, Walter SNCgranted 2022-11-22cancelled 2023-01-31
Successor callsigns
Callsigns held now by people who previously held K4WSP.
- PARNELL, WILLIAM SNCgranted 2019-04-29
All historical holders
Every license row we've seen with the callsign K4WSP, oldest first.
- PARNELL, WILLIAM S NC1999-03-11 → cancelled 2000-02-01
- Pollard, Walter S NC2023-01-31 active