Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3ATP callsign genealogy
Currently held by COMSTOCK, C 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 W3ATP's current licensee, walking backwards.
- LABUSKES, GERALD GPAgranted 2018-05-04cancelled 2024-03-29
Successor callsigns
Callsigns held now by people who previously held W3ATP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3ATP, oldest first.
- COMSTOCK, C J IN1992-08-18 → cancelled 2004-08-19
- MARTIN, LARRY A TX2008-04-04 → cancelled 2020-04-07
- LABUSKES, GERALD G PA2024-03-29 active