Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7S callsign genealogy
Currently held by ZANZIG, GARY 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 AB7S's current licensee, walking backwards.
- Nelson, Craig HORgranted 2013-12-27cancelled 2014-02-19
Successor callsigns
Callsigns held now by people who previously held AB7S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB7S, oldest first.
- ZANZIG, GARY R WA2002-08-20 → cancelled 2012-01-29
- Nelson, Craig H OR2026-01-06 active