Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4DHK callsign genealogy
Currently held by ECKARD, MICHAEL O
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 KE4DHK's current licensee, walking backwards.
- Eckard, Michael OGAgranted 2007-09-28cancelled 2007-10-16
Successor callsigns
Callsigns held now by people who previously held KE4DHK.
- ECKARD, MICHAEL OSCgranted 2021-04-09
All historical holders
Every license row we've seen with the callsign KE4DHK, oldest first.
- ECKARD, MIKE O SC1993-11-09 → cancelled 2005-11-10
- ECKARD, MICHAEL O SC2017-08-25 → cancelled 2021-04-09