Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND0CW callsign genealogy
Currently held by Heintzleman, David M
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 ND0CW's current licensee, walking backwards.
- Heintzleman, David MNDgranted 2006-08-25cancelled 2010-03-30
Successor callsigns
Callsigns held now by people who previously held ND0CW.
No current licensee on record previously held this callsign.