Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW1S callsign genealogy
Currently held by Tompkins, Gregory J
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 WW1S's current licensee, walking backwards.
- Tompkins, Gregory JAZgranted 2022-01-11cancelled 2023-10-31
Successor callsigns
Callsigns held now by people who previously held WW1S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WW1S, oldest first.
- BOTSFORD, ROBERT E DE2011-08-16 → cancelled 2023-10-11
- Tompkins, Gregory J AZ2023-10-31 active