Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7LDO callsign genealogy
Currently held by OLMSTED, LYLE D
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 K7LDO's current licensee, walking backwards.
- OLMSTED, LYLE DWAgranted 2018-09-19
Successor callsigns
Callsigns held now by people who previously held K7LDO.
- OLMSTED, LYLE DWAgranted 2018-09-19