Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1LD callsign genealogy
Currently held by Kristensen, Konrad
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 KA1LD's current licensee, walking backwards.
- Kristensen, KonradOHgranted 2020-02-14cancelled 2020-10-14
Successor callsigns
Callsigns held now by people who previously held KA1LD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1LD, oldest first.
- Kristensen, Konrad FL2005-01-07 → cancelled 2017-04-04
- Kristensen, Konrad CA2020-10-14 active