Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4TTR callsign genealogy
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 W4TTR's current licensee, walking backwards.
- KI4QFBcancelledTall Tower Repeater ClubALgranted 2006-07-17cancelled 2006-09-01
Successor callsigns
Callsigns held now by people who previously held W4TTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4TTR, oldest first.
- Tall Tower Repeater Club AL2018-03-31 active
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