Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4CM callsign genealogy
Currently held by SCHEIB, MARLIN E
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 KD4CM's current licensee, walking backwards.
- MORRIS, CURTIS JFLgranted 2013-04-02cancelled 2015-03-17
Successor callsigns
Callsigns held now by people who previously held KD4CM.
- SCHEIB, MARLIN EGAgranted 2012-03-30cancelled 2014-11-29
All historical holders
Every license row we've seen with the callsign KD4CM, oldest first.
- SCHEIB, MARLIN E GA2005-11-29 → cancelled 2012-03-30
- MORRIS, CURTIS J FL2025-04-08 active