Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA5OIN callsign genealogy
Currently held by CRUMP, PHILLIP
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 WA5OIN's current licensee, walking backwards.
- Ford, Ryan KTXgranted 2016-04-27cancelled 2019-10-27
Successor callsigns
Callsigns held now by people who previously held WA5OIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA5OIN, oldest first.
- CRUMP, PHILLIP TX2007-01-09 → cancelled 2019-02-12
- Ford, Ryan K TX2019-10-27 active