Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4CRG callsign genealogy
Currently held by HOLLAND, JOHN A
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 N4CRG's current licensee, walking backwards.
- HOLLAND, JOHN ATNgranted 2014-12-02cancelled 2018-07-24
Successor callsigns
Callsigns held now by people who previously held N4CRG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4CRG, oldest first.
- WISE, TIMOTHY A NC2004-01-22 → cancelled 2016-02-09
- HOLLAND, JOHN A TN2018-07-24 active