Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0PGW callsign genealogy
Currently held by ZIMMERMAN, STEVEN 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 N0PGW's current licensee, walking backwards.
- ZIMMERMAN, STEVEN RKSgranted 2014-08-08cancelled 2015-08-18
Successor callsigns
Callsigns held now by people who previously held N0PGW.
- ZIMMERMAN, STEVEN RKSgranted 2014-08-08cancelled 2015-08-18
All historical holders
Every license row we've seen with the callsign N0PGW, oldest first.
- ZIMMERMAN, STEVEN R KS2012-05-31 → cancelled 2014-08-08
- ZIMMERMAN, STEVEN R KS2015-08-18 active