Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND5F callsign genealogy
Currently held by PARKER SR, WILLIAM H
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 ND5F's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held ND5F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign ND5F, oldest first.
- PARKER SR, WILLIAM H TX2007-05-01 → cancelled 2019-07-03
- MCCAULEY, JOHN M TX2019-08-31 active