Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW4JM callsign genealogy
Currently held by MONTAMBAULT, JENSEN 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 WW4JM's current licensee, walking backwards.
- MONTAMBAULT, JENSEN RVAgranted 1999-11-19cancelled 2002-05-07
Successor callsigns
Callsigns held now by people who previously held WW4JM.
No current licensee on record previously held this callsign.