Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0ZO callsign genealogy
Currently held by Lehmann, Robert N
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 K0ZO's current licensee, walking backwards.
- Lehmann, Robert NIAgranted 1996-01-12cancelled 2001-02-23
Successor callsigns
Callsigns held now by people who previously held K0ZO.
No current licensee on record previously held this callsign.