Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7EOC callsign genealogy
Currently held by ADA COUNTY AUXILIARY COMMUNICATIONS SERVICE
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 K7EOC's current licensee, walking backwards.
- KG7NROcancelledADA COUNTY AUXILIARY COMMUNICATIONS SERVICEIDgranted 2014-08-22cancelled 2014-10-07
Successor callsigns
Callsigns held now by people who previously held K7EOC.
- W7ECCactiveCITY OF PORTLAND ECCORgranted 2019-01-02
All historical holders
Every license row we've seen with the callsign K7EOC, oldest first.
- City Of Portland - EOC OR2008-11-26 → cancelled 2009-03-31
- ADA COUNTY AUXILIARY COMMUNICATIONS SERVICE ID2024-10-01 active