Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7WEO callsign genealogy
Currently held by RAUCHFUSS, MARK S
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 KD7WEO's current licensee, walking backwards.
- RAUCHFUSS, MARK SAZgranted 2003-05-21cancelled 2003-05-29
- KB4CHAno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD7WEO.
- RAUCHFUSS, MARK SMIgranted 2026-05-16