Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3GRT callsign genealogy
Currently held by PGS Amateur Radio Club
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 W3GRT's current licensee, walking backwards.
- KB3RQScancelledPGS Amateur Radio ClubPAgranted 2008-09-17cancelled 2009-08-14
Successor callsigns
Callsigns held now by people who previously held W3GRT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3GRT, oldest first.
- THACKER, GEORGE R PA2008-01-23 → cancelled 2008-05-28
- PGS Amateur Radio Club PA2019-06-18 active