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

K4TOS

Expired

Harper, Glenn H

Location: Duluth, GA
Class: General
Granted: 2014-07-08
Expires: 2024-07-08
Previous call: KM4AUZ
FRN: 0023594187

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Vanity availability

661d

Available on 2028-07-07

K4TOS expired on 2024-07-08. Hold ends in 661 days.

Last held by Harper, Glenn H (GA).

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

KM4AUZcancelled· G
Harper, Glenn HGAgranted 2014-05-01cancelled 2014-07-08

License history

0 events

No recorded events.

More vanity slots coming available

From Georgia

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KK4LPX 2026-09-17
KQ4RKZ 2026-09-17

Starting with K4

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K4BLY NC · 2026-09-21
K4YXJ GA · 2026-09-24

Full history → Vanity availability → Callsign genealogy →