Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KD0UMM

Cancelled

Mason, Philip A

Location: Sioux Falls, SD
Class: Technician
Granted: 2013-02-22
Expires: 2023-02-22
FRN: 0022464879

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Vanity availability

Available

Available now

KD0UMM cleared its 2-year hold on 2017-05-26. Eligible for vanity application.

Last held by Mason, Philip A (SD).

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

K7KIPactive· T
Mason, Philip ANVgranted 2015-05-27

License history

0 events

No recorded events.

More vanity slots coming available

From South Dakota

All →

KF0ROX 2026-09-24
KF0OBE 2026-09-27
KD0TGH 2026-10-09
KF0RSP 2026-10-11
N0PIZ 2026-10-11

Starting with KD0

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KD0TBC CT · 2026-09-10
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KD0TBJ MO · 2026-09-11

Full history → Vanity availability → Callsign genealogy →