Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1HAK callsign genealogy
Currently held by Macko, Jeffrey
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 N1HAK's current licensee, walking backwards.
- Macko, JeffreyNCgranted 2021-08-09cancelled 2021-08-27
Successor callsigns
Callsigns held now by people who previously held N1HAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1HAK, oldest first.
- TATRO, MARSHALL C MA2009-05-19 → cancelled 2021-07-07
- Macko, Jeffrey NC2021-08-27 active