Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO7A callsign genealogy
Currently held by LANDIS, NED 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 WO7A's current licensee, walking backwards.
- Riha, Randy JWAgranted 2013-11-21cancelled 2014-01-17
Successor callsigns
Callsigns held now by people who previously held WO7A.
- NO7RcancelledRIO VERDE CONTEST CLUBAZgranted 2011-12-28cancelled 2020-02-15
All historical holders
Every license row we've seen with the callsign WO7A, oldest first.
- LANDIS, NED W OR2002-10-22 → cancelled 2009-02-27
- RIO VERDE CONTEST CLUB AZ2011-04-12 → cancelled 2011-12-28
- Riha, Randy J OK2024-01-26 active