Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0ALT callsign genealogy
Currently held by TAYLOR, CHRISTOPHER S
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 KC0ALT's current licensee, walking backwards.
- ALT III, ARNOLD JIAgranted 2013-01-15cancelled 2015-06-16
Successor callsigns
Callsigns held now by people who previously held KC0ALT.
- Taylor, Christopher SCAgranted 1997-08-20cancelled 2000-08-15
All historical holders
Every license row we've seen with the callsign KC0ALT, oldest first.
- TAYLOR, CHRISTOPHER S CA1997-08-20 → cancelled 2000-07-27
- ALT III, ARNOLD J IA2025-03-19 active