Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TWG callsign genealogy
Currently held by DRYDEN, GUY W
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 N4TWG's current licensee, walking backwards.
- Dryden, Guy WFLgranted 2017-02-13cancelled 2017-03-03
Successor callsigns
Callsigns held now by people who previously held N4TWG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TWG, oldest first.
- DRYDEN, GUY W FL2000-08-29 → cancelled 2012-11-07
- Dryden, Guy W FL2017-03-03 active