Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7CRV callsign genealogy
Currently held by KASER, FRED 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 W7CRV's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7CRV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CRV, oldest first.
- KASER, FRED F MT1988-02-23 → cancelled 2000-02-24
- HOLT, MICHAEL A ID2017-01-06 active