Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3GLH callsign genealogy
Currently held by HARBAUGH SR, GREGORY L
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 K3GLH's current licensee, walking backwards.
- HARBAUGH SR, GREGORY LPAgranted 2012-10-30cancelled 2020-09-18
Successor callsigns
Callsigns held now by people who previously held K3GLH.
No current licensee on record previously held this callsign.