Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4NW callsign genealogy
Currently held by MAGENST-RODRIGUEZ, JOSE M
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 KK4NW's current licensee, walking backwards.
- MAGENST-RODRIGUEZ, JOSE MFLgranted 2013-11-12cancelled 2017-07-04
Successor callsigns
Callsigns held now by people who previously held KK4NW.
- RICKER, JAMES MCAgranted 2002-03-30cancelled 2004-05-01
All historical holders
Every license row we've seen with the callsign KK4NW, oldest first.
- RICKER, JAMES M AP2001-04-12 → cancelled 2002-03-30
- MAGENST-RODRIGUEZ, JOSE M FL2017-07-04 active