Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3GGP callsign genealogy
Currently held by HARTLING, DONALD 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 K3GGP's current licensee, walking backwards.
- HARTLING, DONALD JINgranted 1997-09-03cancelled 2001-09-05
Successor callsigns
Callsigns held now by people who previously held K3GGP.
No current licensee on record previously held this callsign.