Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2CDX callsign genealogy
Currently held by Rosenhouse, Michael 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 K2CDX's current licensee, walking backwards.
- Rosenhouse, Michael ANYgranted 2012-11-05cancelled 2012-11-24
Successor callsigns
Callsigns held now by people who previously held K2CDX.
No current licensee on record previously held this callsign.