Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7CSY callsign genealogy
Currently held by Holder, Whitney M
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 KB7CSY's current licensee, walking backwards.
- Holder, Whitney MWYgranted 2024-03-20cancelled 2024-04-13
Successor callsigns
Callsigns held now by people who previously held KB7CSY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7CSY, oldest first.
- PALMER, JEFFREY A NV1988-05-24 → cancelled 2000-05-25
- Holder, Whitney M WY2024-04-13 active