Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD0ZS callsign genealogy
Currently held by Lidstrom, Derek R
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 AD0ZS's current licensee, walking backwards.
- Lidstrom, Derek RNDgranted 2017-08-31cancelled 2017-11-06
Successor callsigns
Callsigns held now by people who previously held AD0ZS.
- Lidstrom, Derek RNDgranted 2017-12-19