Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1AMC callsign genealogy
Currently held by Madden, Lydia S
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 KC1AMC's current licensee, walking backwards.
- Chaudhri, Lydia SCTgranted 2018-12-28cancelled 2019-02-14
Successor callsigns
Callsigns held now by people who previously held KC1AMC.
- Leckart, Andrew DVTgranted 2013-11-09cancelled 2015-01-09
All historical holders
Every license row we've seen with the callsign KC1AMC, oldest first.
- Leckart, Andrew D VT2013-09-26 → cancelled 2013-11-09
- Madden, Lydia S IL2019-02-14 active