Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3IPA callsign genealogy
Currently held by COLTMAN, JOHN W
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 W3IPA's current licensee, walking backwards.
- Rossiter, TimothyPAgranted 2020-05-21cancelled 2021-03-30
Successor callsigns
Callsigns held now by people who previously held W3IPA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3IPA, oldest first.
- COLTMAN, JOHN W PA2006-04-04 → cancelled 2018-06-13
- Rossiter, Timothy PA2021-03-30 active