Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DNO callsign genealogy
Currently held by FREY, DANIEL S
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 K9DNO's current licensee, walking backwards.
- FREY, DANIEL SILgranted 2012-12-07cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held K9DNO.
No current licensee on record previously held this callsign.