Confidence: Medium · Source: FCC ULS · As of 2026-09-09
N6DCF callsign genealogy
Currently held by Frankenbach, David C
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 N6DCF's current licensee, walking backwards.
- Frankenbach, David CCAgranted 2008-02-05cancelled 2008-02-26
Successor callsigns
Callsigns held now by people who previously held N6DCF.
- Frankenbach, David CIDgranted 2024-10-22