Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DGP callsign genealogy
Currently held by Porter, David G
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 W4DGP's current licensee, walking backwards.
- Porter, David GGAgranted 2014-07-09cancelled 2014-09-13
Successor callsigns
Callsigns held now by people who previously held W4DGP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DGP, oldest first.
- WATSON, RICHARD J SC2001-09-08 → cancelled 2013-09-10
- Porter, David G GA2024-07-18 active