Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5BOT callsign genealogy
Currently held by Sharp, Sally 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 W5BOT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W5BOT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5BOT, oldest first.
- SHARP, WILLIAM R MS1994-08-30 → cancelled 2006-08-31
- Sharp, Sally A MS2010-07-07 → cancelled 2022-07-08
- Whitling, Christopher A TX2023-03-24 active