Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3TWD callsign genealogy
Currently held by Deane, Michael J
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 KB3TWD's current licensee, walking backwards.
- Deane, Michael JMDgranted 2018-06-18cancelled 2018-07-07
Successor callsigns
Callsigns held now by people who previously held KB3TWD.
All historical holders
Every license row we've seen with the callsign KB3TWD, oldest first.
- SCTE Amateur Radio Club PA2010-01-13 → cancelled 2010-02-09
- Deane, Michael J MD2018-07-07 → cancelled 2026-03-24