Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DEH callsign genealogy
Currently held by Holzemer, Daniel 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 W4DEH's current licensee, walking backwards.
- Holzemer, Daniel EVAgranted 2016-07-19cancelled 2016-08-12
Successor callsigns
Callsigns held now by people who previously held W4DEH.
- HOOPS, DELBERT EOKgranted 2014-07-04cancelled 2017-06-27
All historical holders
Every license row we've seen with the callsign W4DEH, oldest first.
- HOOPS, DELBERT E TN2005-08-16 → cancelled 2014-07-04
- Holzemer, Daniel E VA2026-06-02 active