Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6GSW callsign genealogy
Currently held by THARP, DANIEL D
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 K6GSW's current licensee, walking backwards.
- Tharp, Daniel DPAgranted 2001-06-04cancelled 2007-04-28
Successor callsigns
Callsigns held now by people who previously held K6GSW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6GSW, oldest first.
- SMITH, CURTIS T TX1995-01-17 → cancelled 2007-01-18
- THARP, DANIEL D PA2017-05-23 active