Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2ROC callsign genealogy
Currently held by Fredrickson, Larry A
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 K2ROC's current licensee, walking backwards.
- Fredrickson, Larry ANYgranted 2013-06-18cancelled 2013-07-09
Successor callsigns
Callsigns held now by people who previously held K2ROC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2ROC, oldest first.
- FREDRICKSON, THEODORE NY2004-04-01 → cancelled 2012-12-03
- Fredrickson, Larry A NY2024-05-02 active