Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6FOG callsign genealogy
Currently held by Richardson, Stephen K
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 KA6FOG's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KA6FOG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA6FOG, oldest first.
- KROTZER, MARTHA D CA1991-04-30 → cancelled 2003-05-01
- Richardson, Stephen K CA2024-08-01 active