Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0OQL callsign genealogy
Currently held by FRANCK, JEFFREY R
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 KD0OQL's current licensee, walking backwards.
- FRANCK, JEFFREY RKSgranted 2011-06-07cancelled 2014-04-05
Successor callsigns
Callsigns held now by people who previously held KD0OQL.
- FRANCK, JEFFREY RKSgranted 2011-06-07cancelled 2014-04-05
All historical holders
Every license row we've seen with the callsign KD0OQL, oldest first.
- FRANCK, JEFFREY R KS2011-05-17 → cancelled 2011-06-07
- FRANCK, JEFFREY R KS2024-05-25 active