Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JTT callsign genealogy
Currently held by GRASS, AUSTIN
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 W1JTT's current licensee, walking backwards.
- COBB, JAMES OMEgranted 2007-04-17cancelled 2009-01-23
Successor callsigns
Callsigns held now by people who previously held W1JTT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1JTT, oldest first.
- GRASS, AUSTIN ME1996-03-01 → cancelled 2008-03-04
- COBB, JAMES O ME2018-10-26 active