Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7OFO callsign genealogy
Currently held by Sebik, Ryan N
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 K7OFO's current licensee, walking backwards.
- Sebik, Ryan NNVgranted 2025-03-18cancelled 2025-04-05
Successor callsigns
Callsigns held now by people who previously held K7OFO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7OFO, oldest first.
- WHEELER, ALAN C WA1998-07-14 → cancelled 2010-07-15
- Sebik, Ryan N NV2025-04-05 active