Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KNN callsign genealogy
Currently held by FALBERG, JOHN F
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 K4KNN's current licensee, walking backwards.
- FALBERG, JOHN FGAgranted 2008-06-26cancelled 2014-07-11
Successor callsigns
Callsigns held now by people who previously held K4KNN.
- REDIGER, A LE ROYMIgranted 1996-07-24cancelled 2008-07-25