Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5CWU callsign genealogy
Currently held by PARKER, DAVID 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 KD5CWU's current licensee, walking backwards.
- Parker, David MTXgranted 2016-07-13cancelled 2016-08-16
Successor callsigns
Callsigns held now by people who previously held KD5CWU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD5CWU, oldest first.
- PARKER, DAVID M TX1998-05-05 → cancelled 2009-12-15
- Parker, David M TX2016-08-16 active