Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ROC callsign genealogy
Currently held by Meisenzahl, Christopher J
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 K9ROC's current licensee, walking backwards.
- Meisenzahl, Christopher JNYgranted 2011-05-10cancelled 2011-07-06
Successor callsigns
Callsigns held now by people who previously held K9ROC.
No current licensee on record previously held this callsign.