Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ0R callsign genealogy
Currently held by Roberts, Herman W
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 KZ0R's current licensee, walking backwards.
- Roberts, Herman WKSgranted 2004-11-10cancelled 2007-09-28
Successor callsigns
Callsigns held now by people who previously held KZ0R.
- HUNHOLZ, ROBERT WWAgranted 2018-11-01
All historical holders
Every license row we've seen with the callsign KZ0R, oldest first.
- Roberts, Herman W KS2017-07-24 active
- —— → cancelled 1999-01-14