Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7CRR callsign genealogy
Currently held by RUMPF, CHARLES R
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 N7CRR's current licensee, walking backwards.
- RUMPF, CHARLES RIDgranted 2010-05-17cancelled 2010-06-08
Successor callsigns
Callsigns held now by people who previously held N7CRR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7CRR, oldest first.
- MANLEY, LYLE S AZ1997-08-28 → cancelled 2009-08-29
- RUMPF, CHARLES R ID2020-06-16 active