Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8TPS callsign genealogy
Currently held by MAYO, RALPH D
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 N8TPS's current licensee, walking backwards.
- Spiker, Timothy POHgranted 2005-11-22cancelled 2007-03-20
Successor callsigns
Callsigns held now by people who previously held N8TPS.
- MAYO, RALPH DGAgranted 2020-12-04
All historical holders
Every license row we've seen with the callsign N8TPS, oldest first.
- MAYO, RALPH D OH1994-08-26 → cancelled 2001-03-02
- Spiker, Timothy P OH2018-05-02 active