Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1RAC callsign genealogy
Currently held by Collings, Ryan 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 K1RAC's current licensee, walking backwards.
- Collings, Ryan AMIgranted 2017-05-19cancelled 2017-10-14
Successor callsigns
Callsigns held now by people who previously held K1RAC.
- CALISE, ROBERT ARIgranted 2020-02-04
All historical holders
Every license row we've seen with the callsign K1RAC, oldest first.
- CALISE, ROBERT A RI2008-03-18 → cancelled 2010-03-26
- Collings, Ryan A MI2017-10-14 active