Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3D callsign genealogy
Currently held by Geiger, Gerard 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 KA3D's current licensee, walking backwards.
- FARRELL, DANIEL APAgranted 2011-11-15cancelled 2017-01-04
- N3JHXno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KA3D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3D, oldest first.
- Geiger, Gerard W PA2004-11-10 → cancelled 2016-12-14
- FARRELL, DANIEL A PA2017-01-04 active