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

KM4MSA

Cancelled

Howald, William A

Location: Memphis, TN
Class: Amateur Extra
Granted: 2015-08-18
Expires: 2025-08-18
FRN: 0024725574

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Vanity availability

Available

Available now

KM4MSA cleared its 2-year hold on 2018-07-15. Eligible for vanity application.

Last held by Howald, William A (TN).

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

W4WAHactive· E
Howald, William ATNgranted 2026-07-07

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with KM4

All →

KM4AHK PA · 2026-09-21
KM4JCT GA · 2026-09-28
KM4FBY SC · 2026-10-01
KM4IS NC · 2026-10-03
KM4NGF AL · 2026-10-07

Full history → Vanity availability → Callsign genealogy →