Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4PBS callsign genealogy
Currently held by SATERN Of Palm Beach
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 N4PBS's current licensee, walking backwards.
- KM4LPScancelledSATERN Of Palm BeachFLgranted 2015-07-09cancelled 2015-09-01
Successor callsigns
Callsigns held now by people who previously held N4PBS.
- GREENSPUN, MICHAEL VNMgranted 2017-01-06
All historical holders
Every license row we've seen with the callsign N4PBS, oldest first.
- GREENSPUN, MICHAEL V CA2000-07-29 → cancelled 2007-03-17
- SATERN Of Palm Beach FL2015-09-01 active