Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1JTP callsign genealogy
Currently held by PRATT, JOHN T
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 W1JTP's current licensee, walking backwards.
- PATTEN, JAMES TMAgranted 2014-04-24cancelled 2015-12-11
Successor callsigns
Callsigns held now by people who previously held W1JTP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1JTP, oldest first.
- PRATT, JOHN T MA1999-04-08 → cancelled 2011-04-09
- PATTEN, JAMES T MA2025-09-17 active