Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5SLR callsign genealogy
Currently held by Caldwell, Todd 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 K5SLR's current licensee, walking backwards.
- Caldwell, Todd MTXgranted 2002-08-07cancelled 2010-04-23
Successor callsigns
Callsigns held now by people who previously held K5SLR.
No current licensee on record previously held this callsign.