Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ZOS callsign genealogy
Currently held by Whitehead, Travis M
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 K5ZOS's current licensee, walking backwards.
- Whitehead, Travis MTXgranted 2003-11-07cancelled 2009-10-14
Successor callsigns
Callsigns held now by people who previously held K5ZOS.
No current licensee on record previously held this callsign.