Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4IOF callsign genealogy
Currently held by Silva, Jose 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 N4IOF's current licensee, walking backwards.
- Silva, Jose RFLgranted 2017-05-16cancelled 2017-06-06
Successor callsigns
Callsigns held now by people who previously held N4IOF.
- GENTLE, JAMES WALgranted 1990-12-18cancelled 2002-12-19