Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TQ callsign genealogy
Currently held by JOHNSTON, 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 N4TQ's current licensee, walking backwards.
- JOHNSTON, ROBERT WNCgranted 2015-07-14cancelled 2017-07-21
Successor callsigns
Callsigns held now by people who previously held N4TQ.
- JOHNSTON, ROBERT WNCgranted 2015-07-14cancelled 2017-07-21
All historical holders
Every license row we've seen with the callsign N4TQ, oldest first.
- JOHNSTON, ROBERT W NC2012-08-21 → cancelled 2015-07-14
- JOHNSTON, ROBERT W NC2017-07-21 active