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

K4SIP

Active

FELTS, BYRON D

Location: OOLTEWAH, TN
Class: Technician
Granted: 2024-12-31
Expires: 2035-02-20
Previous call: KM4HOK
FRN: 0024260531

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

K4SIP is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

KM4HOKcancelled· T
FELTS, BYRON DFLgranted 2015-01-30cancelled 2015-02-20

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 K4

All →

K4HCL FL · 2026-09-09
K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →