Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0BCK callsign genealogy
Currently held by Haertig, David F
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 W0BCK's current licensee, walking backwards.
- Haertig, David FCOgranted 2020-02-14cancelled 2020-03-03
Successor callsigns
Callsigns held now by people who previously held W0BCK.
No current licensee on record previously held this callsign.