Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SPO callsign genealogy
Currently held by Orem, Shannon P
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 W4SPO's current licensee, walking backwards.
- Orem, Shannon PGAgranted 2016-04-26cancelled 2018-04-20
Successor callsigns
Callsigns held now by people who previously held W4SPO.
- Orem, Shannon PGAgranted 2016-04-26cancelled 2018-04-20
All historical holders
Every license row we've seen with the callsign W4SPO, oldest first.
- Orem, Shannon P GA2009-06-09 → cancelled 2016-04-26
- Orem, Shannon P GA2018-04-20 active