Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS9LBW callsign genealogy
Currently held by Whitmore, Robert P
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 KS9LBW's current licensee, walking backwards.
- Whitmore, Robert PTNgranted 2012-04-16cancelled 2012-05-04
Successor callsigns
Callsigns held now by people who previously held KS9LBW.
- Whitmore, Robert PTNgranted 2012-12-11cancelled 2024-12-12