Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KB3TRL

Cancelled

Karlson, David E

Location: Allentown, PA
Class: General
Granted: 2009-11-24
Expires: 2019-11-24
FRN: 0019304468

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Vanity availability

Available

Available now

KB3TRL cleared its 2-year hold on 2014-01-23. Eligible for vanity application.

Last held by Karlson, David E (PA).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

W3DEKactive· G
Karlson, David EPAgranted 2021-11-23

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

All →

KB3ZFD 2026-09-11
KB3ZFE 2026-09-13
KC3WYD 2026-09-13
KA3KEP 2026-09-14
KA3UYT 2026-09-14

Starting with KB3

All →

KB3ZFD PA · 2026-09-11
KB3ZFE PA · 2026-09-13
KB3ZFH MD · 2026-09-13
KB3IOF FL · 2026-09-16
KB3ZFL VA · 2026-09-16

Full history → Vanity availability → Callsign genealogy →