Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4TEC callsign genealogy
Currently held by COLE, DOUG F
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 N4TEC's current licensee, walking backwards.
- Cole, Doug FFLgranted 2015-10-09cancelled 2016-03-08
Successor callsigns
Callsigns held now by people who previously held N4TEC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TEC, oldest first.
- HERNANDEZ, HARVEY H FL2003-07-30 → cancelled 2015-10-06
- COLE, DOUG F FL2026-03-31 active