🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 7:15 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI
KO4VPH HAM
✅
Available for a vanity request — free since Jan 12, 2024.
2x3 call: any licensee can request it.
No pending applications list it.
📬 QSL:
no LoTW uploads on record
· not eQSL AG
· QRZ · HamQTH
Not currently held
· 1 holder on record
· available since Jan 12, 2024
Previous holder: Jacob H Swart
Held KO4VPH Dec 22, 2021 → Jan 11, 2022
· first licensed Dec 22, 2021 as KO4VPH
· 3 licenses · FRN 0029941267
📦 Moved: Oak Grove, KY → Grovetown, GA
W4EWO
Active
Amateur Extra · vanity
Oct 20, 2023 → expires Oct 20, 2033
Licensee Jacob H Swart
Address 4565 Country Glen Circle Grovetown, GA 30813
33.4583, -82.2283 (street) · Grid
EM83vk · CQ 5 · ITU 8 ·
map ↗
FRN 0029941267
Previous call KA7TRL (General)
Last granted Oct 20, 2023
Effective Nov 20, 2025
Last action Nov 20, 2025
FCC actions (3)
Nov 20, 2025 — Administrative update LIAUA Oct 20, 2023 — Vanity call sign granted VANGRT Oct 20, 2023 — License issued LIISS
📦 Moved: Hephzibah, GA → Oak Grove, KY
KA7TRL
Canceled
Amateur Extra · vanity
Jan 11, 2022 → Oct 20, 2023 (canceled)
Licensee Jacob H Swart
Address 131 Grant Ave Oak Grove, KY 42262
36.6903, -87.4482 (ZIP center) · Grid
EM66gq · CQ 4 · ITU 8 ·
map ↗
FRN 0029941267
Previous call KO4VPH (General)
Last granted Jan 11, 2022
Effective Apr 6, 2023
Last action Oct 20, 2023
FCC actions (7)
Oct 20, 2023 — License canceled LICAN Apr 6, 2023 — License modified LIMOD Nov 1, 2022 — Administrative update LIAUA Jul 28, 2022 — Administrative update LIAUA Jan 31, 2022 — License modified LIMOD Jan 11, 2022 — Vanity call sign granted VANGRT Jan 11, 2022 — License issued LIISS
KO4VPH
Canceled
Technician
Dec 22, 2021 → Jan 11, 2022 (canceled)
Licensee Jacob H Swart
Address 3608 MONMOUTH RD HEPHZIBAH, GA 30815-6416
33.2849, -82.0722 (ZIP center) · Grid
EM83xg · CQ 5 · ITU 8 ·
map ↗
FRN 0029941267
Last granted Dec 22, 2021
Effective Dec 22, 2021
Last action Jan 11, 2022
FCC actions (3)
Jan 11, 2022 — License canceled LICAN Dec 22, 2021 — License issued LIISS Dec 22, 2021 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Sep 27, 2026 → Oct 4, 2026 · 2 snapshots · as W4EWO
Jacob H Swart
4565 Country Glen Circle, Grovetown, GA 30813
33.4583, -82.2283 (street) · Grid
EM83vk · CQ 5 · ITU 8 ·
map ↗
Seen Apr 27, 2024 → Oct 4, 2026 · 22 snapshots · as KA7TRL
Jacob H Swart
131 Grant Ave, Oak Grove, KY 42262
36.6903, -87.4482 (ZIP center) · Grid
EM66gq · CQ 4 · ITU 8 ·
map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 14 snapshots · as KO4VPH
Jacob H Swart
3608 MONMOUTH RD, HEPHZIBAH, GA 30815-6416
33.2849, -82.0722 (ZIP center) · Grid
EM83xg · CQ 5 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KO4VPH in the last 24 hours. They show up here within seconds of KO4VPH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB