Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0RSQ callsign genealogy
Currently held by McCracken, Christopher 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 K0RSQ's current licensee, walking backwards.
- McCracken, Christopher RMOgranted 2001-11-19cancelled 2007-11-06
Successor callsigns
Callsigns held now by people who previously held K0RSQ.
- Kasper, Michael JIAgranted 2023-08-09
All historical holders
Every license row we've seen with the callsign K0RSQ, oldest first.
- KASPER, MICHAEL J IA2002-05-21 → cancelled 2003-05-10
- McCracken, Christopher R WA2019-03-01 active