Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0CDY callsign genealogy
Currently held by MACKIE SR, ROBERT J
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 N0CDY's current licensee, walking backwards.
- Harstad, Cody BNDgranted 2026-07-08cancelled 2026-08-04
Successor callsigns
Callsigns held now by people who previously held N0CDY.
- MACKIE SR, ROBERT JWAgranted 1994-11-23cancelled 2003-09-26
All historical holders
Every license row we've seen with the callsign N0CDY, oldest first.
- MACKIE SR, ROBERT J WA1994-11-23 → cancelled 2003-08-05
- Harstad, Cody B ND2026-08-04 active