Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH6BY callsign genealogy
Currently held by BOSTROM, ALISTAIR K
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 WH6BY's current licensee, walking backwards.
- BOSTROM, ALISTAIR KHIgranted 2016-12-10cancelled 2018-06-12
Successor callsigns
Callsigns held now by people who previously held WH6BY.
- BOSTROM, ALISTAIR KHIgranted 2016-12-10cancelled 2018-06-12
All historical holders
Every license row we've seen with the callsign WH6BY, oldest first.
- BOSTROM, ALISTAIR K HI2011-08-16 → cancelled 2016-12-10
- BOSTROM, ALISTAIR K HI2018-06-12 active