Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5HRK callsign genealogy
Currently held by SINGLETON, ROBERT W
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 N5HRK's current licensee, walking backwards.
- SINGLETON, ROBERT WTXgranted 2011-03-17cancelled 2011-07-26
Successor callsigns
Callsigns held now by people who previously held N5HRK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5HRK, oldest first.
- SINGLETON, ROBERT W TX1989-03-14 → cancelled 2001-03-15
- SINGLETON, ROBERT W TX2021-05-25 active