Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6CAL callsign genealogy
Currently held by Hardt, Lee 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 N6CAL's current licensee, walking backwards.
- Hardt, Lee RCAgranted 2011-07-14cancelled 2011-08-09
Successor callsigns
Callsigns held now by people who previously held N6CAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6CAL, oldest first.
- HOLIDAY, JOHN H CA1999-04-26 → cancelled 2011-04-27
- Hardt, Lee R CA2021-05-24 active