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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KN4IO

Expired

HOLCOMB, WILLIAM H

Location
LARGO, FL
Class
Amateur Extra
Granted
2009-09-29
Expires
2019-09-29
Previous call
K4NIO
FRN
0002957272
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Vanity availability

Available

Available now

KN4IO cleared its 2-year hold on 2023-09-28. Eligible for vanity application.

Last held by HOLCOMB, WILLIAM H (FL).

Confidence: High

Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.

Callsign genealogy

Full chain →

Previously held by current licensee

  1. K4NIOcancelled· E
    HOLCOMB, WILLIAM HFLgranted 2000-06-09cancelled 2009-09-29
  2. KC4YTPcancelled· G
    HOLCOMB, WILLIAM HFLgranted 1996-08-14cancelled 2000-06-09

Prior holders later became

  1. AB4ZEexpired· E
    SPRENG, ROBERT VFLgranted 2000-07-08cancelled 2012-10-03

License history

0 events

No recorded events.

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