Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH6ECF callsign genealogy
Currently held by Makekau, Derrick
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 WH6ECF's current licensee, walking backwards.
- Makekau, DerrickHIgranted 2011-04-08cancelled 2012-12-12
Successor callsigns
Callsigns held now by people who previously held WH6ECF.
- Makekau, DerrickHIgranted 2013-01-24cancelled 2015-03-27