Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA7PKH callsign genealogy
Currently held by OEHLER, KEITH 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 WA7PKH's current licensee, walking backwards.
- Oehler, Tobias MMNgranted 2021-05-03cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held WA7PKH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA7PKH, oldest first.
- OEHLER, KEITH F UT1992-06-02 → cancelled 2004-06-03
- Oehler, Tobias M MN2022-04-26 active