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

KN4TSB

Cancelled

Madsen, Scott E

Location: Mc Lean, VA
Class: Amateur Extra
Granted: 2019-04-03
Expires: 2029-04-03
FRN: 0028339927

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Vanity availability

Available

Available now

KN4TSB cleared its 2-year hold on 2021-05-12. Eligible for vanity application.

Last held by Madsen, Scott E (VA).

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

KX4RVcancelled· E
Madsen, Scott EVAgranted 2019-04-03cancelled 2020-02-11

License history

0 events

No recorded events.

More vanity slots coming available

From Virginia

All →

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W4CVH 2026-09-12
KQ4URY 2026-09-13

Starting with KN4

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KN4ZVG FL · 2026-09-17
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KN4VXC NC · 2026-09-21
KN4RPM VA · 2026-10-07
KN4GAM GA · 2026-10-12

Full history → Vanity availability → Callsign genealogy →