Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7PTR callsign genealogy
Currently held by Witherow, Peter K
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 W7PTR's current licensee, walking backwards.
- Witherow, Peter KCAgranted 2012-06-13cancelled 2019-06-04
Successor callsigns
Callsigns held now by people who previously held W7PTR.
No current licensee on record previously held this callsign.