Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6WP callsign genealogy
Currently held by CARLBERG, FREDERICK W
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 N6WP's current licensee, walking backwards.
- DIAZ, DESILU LCAgranted 2026-03-07
Successor callsigns
Callsigns held now by people who previously held N6WP.
- DIAZ, DESILU LCAgranted 2026-03-07
All historical holders
Every license row we've seen with the callsign N6WP, oldest first.
- CARLBERG, FREDERICK W CA1998-01-23 → cancelled 2010-01-26
- Rudolph, David N CA2010-02-12 → cancelled 2022-02-15
- DIAZ, DESILU L CA2022-03-04 → cancelled 2026-03-07