Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA2DIY callsign genealogy
Currently held by Gottlieb, Mark H
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 WA2DIY's current licensee, walking backwards.
- Gottlieb, Mark HNJgranted 2013-10-17cancelled 2013-11-26
Successor callsigns
Callsigns held now by people who previously held WA2DIY.
- Gottlieb, Mark HNJgranted 2018-12-28