Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7IDA callsign genealogy
Currently held by Mills, Calvin 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 N7IDA's current licensee, walking backwards.
- Keir, IdaORgranted 2019-05-16cancelled 2019-06-04
Successor callsigns
Callsigns held now by people who previously held N7IDA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7IDA, oldest first.
- Mills, Calvin R WA2005-11-22 → cancelled 2018-02-17
- Keir, Ida OR2019-06-04 active