Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5TWT callsign genealogy
Currently held by McCall, Darrel J
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 K5TWT's current licensee, walking backwards.
- McCall, Darrel JTXgranted 2013-02-19cancelled 2016-10-07
Successor callsigns
Callsigns held now by people who previously held K5TWT.
No current licensee on record previously held this callsign.