Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N2ZBF callsign genealogy
Currently held by CALDER, PETER
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 N2ZBF's current licensee, walking backwards.
- Calder, Peter CCOgranted 2020-02-14cancelled 2020-06-06
Successor callsigns
Callsigns held now by people who previously held N2ZBF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2ZBF, oldest first.
- CALDER, PETER CO2004-07-02 → cancelled 2016-07-06
- Calder, Peter C CO2020-06-06 active