Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1CDS callsign genealogy
Currently held by Schiffbauer, Craig 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 N1CDS's current licensee, walking backwards.
- Schiffbauer, Craig DMAgranted 2012-05-24cancelled 2012-06-16
Successor callsigns
Callsigns held now by people who previously held N1CDS.
- SPELTZ, DAVID ENHgranted 2010-11-23cancelled 2019-11-13