Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7RVN callsign genealogy
Currently held by EHMANN, MARTIN
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 K7RVN's current licensee, walking backwards.
- HALL, JAMES AUTgranted 2008-11-26cancelled 2008-12-20
Successor callsigns
Callsigns held now by people who previously held K7RVN.
- EHMANN, MARTINNVgranted 2000-06-30cancelled 2002-03-08
All historical holders
Every license row we've seen with the callsign K7RVN, oldest first.
- EHMANN, MARTIN NV2000-06-09 → cancelled 2000-06-30
- Hall, James A UT2018-10-02 active