Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7ZWH callsign genealogy
Currently held by Calahan, Jeramy W
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 KD7ZWH's current licensee, walking backwards.
- Calahan, Jeramy WAZgranted 2004-01-29cancelled 2004-03-06
Successor callsigns
Callsigns held now by people who previously held KD7ZWH.
- Calahan, Jeramy WAZgranted 2024-04-17