Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7OKS callsign genealogy
Currently held by KRAMER, DONALD F
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 W7OKS's current licensee, walking backwards.
- Irwin, Brett AAZgranted 2019-09-10cancelled 2021-05-04
Successor callsigns
Callsigns held now by people who previously held W7OKS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7OKS, oldest first.
- KRAMER, DONALD F UT1996-01-23 → cancelled 2008-01-24
- Irwin, Brett A AZ2021-05-04 active