Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NF6C callsign genealogy
Currently held by Krantz, Gregory A
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 NF6C's current licensee, walking backwards.
- PENNINGTON, WARREN JCAgranted 2014-08-07cancelled 2020-04-24
Successor callsigns
Callsigns held now by people who previously held NF6C.
- Krantz, Gregory ANVgranted 2018-04-03
All historical holders
Every license row we've seen with the callsign NF6C, oldest first.
- HOCHMAN, KATHLEEN F CA1996-03-26 → cancelled 2008-03-27
- Krantz, Gregory A NV2009-01-16 → cancelled 2018-04-03
- PENNINGTON, WARREN J CA2020-04-24 active