Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3ZPF callsign genealogy
Currently held by SINGER, NEIL D
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 K3ZPF's current licensee, walking backwards.
- SINGER, NEIL DMAgranted 2021-10-21cancelled 2021-11-09
Successor callsigns
Callsigns held now by people who previously held K3ZPF.
- SINGER, NEIL DMAgranted 2022-01-14