Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5LDT callsign genealogy
Currently held by Spiess, John 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 K5LDT's current licensee, walking backwards.
- Spiess, John ETXgranted 2019-03-22cancelled 2020-08-21
Successor callsigns
Callsigns held now by people who previously held K5LDT.
No current licensee on record previously held this callsign.