Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4TW callsign genealogy
Currently held by Prewitt, James O
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 KV4TW's current licensee, walking backwards.
- Prewitt, James OALgranted 2013-11-04cancelled 2014-01-06
Successor callsigns
Callsigns held now by people who previously held KV4TW.
No current licensee on record previously held this callsign.