Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9MAR callsign genealogy
Currently held by UTTECH, ERLING D
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 K9MAR's current licensee, walking backwards.
- Reyes, Omar RWIgranted 2009-04-07cancelled 2010-10-22
Successor callsigns
Callsigns held now by people who previously held K9MAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9MAR, oldest first.
- UTTECH, ERLING D WI1998-04-22 → cancelled 2010-04-23
- Reyes, Omar R WI2020-12-22 active