Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TRD callsign genealogy
Currently held by KERNOHAN, ALAN 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 K7TRD's current licensee, walking backwards.
- KERNOHAN, ALAN RIDgranted 2008-10-21cancelled 2012-10-16
Successor callsigns
Callsigns held now by people who previously held K7TRD.
- Russell, Kevin WORgranted 2020-03-03
All historical holders
Every license row we've seen with the callsign K7TRD, oldest first.
- Russell, Kevin W OR2005-09-09 → cancelled 2010-01-26
- KERNOHAN, ALAN R ID2022-09-07 active