N9TPB FCC License Search
🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 6:00 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

MARK S WILLIAMS

FRN 0001888569 · first licensed Feb 19, 1998 as N4OKX · 2 licenses on record

📝 FCC applications (11)

ReceivedFile numberServicePurposeStatusCall
Oct 9, 20200009256170 HAMRenewalGranted K9GX
Oct 5, 20100004411589 HAMRenewalGranted K9GX
Jul 23, 20010000535427 HAMAdministrative updateGranted K9GX
Jul 23, 20010000535414 HAMModificationGranted K9GX
May 29, 20010000475764 HAMAdministrative updateGranted K9GX
Dec 11, 20000000288185 HAMModificationGranted K9GX
Sep 19, 20000000221522 HAMModificationGranted N4OKX
May 30, 20000000143938 HAMModificationDismissed N4OKX
May 25, 20000000140138 HAMModificationDismissed N4OKX
May 24, 20000000138582 HAMModificationDismissed N4OKX
Sep 27, 19990000028760 HAMModificationGranted N4OKX

Complete licensing history

Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Repeaters within 50 miles

103 repeaters within 50 miles of this ZIP code, closest first · sort: closest · most active · map these & export for a radio →

● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · center is the ZIP code (approximate) · click a dot for the repeater's page
● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)
MilesCallNameOutputOffsetToneModeNetworksActivityLocation
5.4 N4MRM Pleasure Ridge P
N4MRM
 147.3600 +0.6 TONE 151.4 FM (analog) — Pleasure Ridge Park, KY
5.4 N4MRM Pleasure Ridge P
N4MRM
 444.6000 +5 TONE 151.4 FM (analog) — Pleasure Ridge Park, KY
7.6 N9GTO Lanesville
N9GTO
 147.0900 +0.6 TONE 151.4 FM (analog) (FM,C4FM) — Lanesville, IN
8.9 KR4NDG Louisville
KR4NDG BM
 439.5500 in 433.5500 CC1 DMR BrandMeister 322574001 — Louisville, KY
9.1 K4KTR Fairdale Jeffers
K4KTR BM
 443.0000 +5 CC1 DMR BrandMeister 312195 — Fairdale, KY
9.9 K4KTR Fairdale Jeffers
K4KTR
 146.9400 -0.6 TSQL 67.0 FM (analog) (FM,C4FM) — Fairdale, KY
9.9 N4TNS Fairdale Jeffers
N4TNS AllStar
 442.5000 +5 DCS 365 FM (analog) AllStar 64696 🗓 1 net 1 net · 26 check-ins · 26 stations Fairdale, KY
11.1 WD9HMH Corydon
WD9HMH
 146.7750 -0.6 TONE 103.5 FM (analog) — Corydon, IN
11.3 KK4CZ Fairdale
KK4CZ WIRES-X
 443.5750 +5 DCS 654 FM (analog) (FM,C4FM) WIRES-X 80896 — Fairdale, KY
12.2 KN4ZYS Louisville
KN4ZYS
 444.9000 +5 TONE 100.0 FM (analog) — Louisville, KY
13.2 KY4KY Brooks WAMZ
KY4KY AllStar
 146.7000 -0.6 TSQL 79.7 FM (analog) (FM,C4FM) AllStar 44153 EchoLink 343205 WIRES-X 51170 🗓 2 nets 2 nets · 64 check-ins · 38 stations Brooks, KY
13.2 KY4KY Brooks Hl
KY4KY BM
 443.7000 +5 TSQL 79.7 FM (analog) (DMR,FM) BrandMeister 311140 🗓 2 nets 2 nets · 64 check-ins · 38 stations Brooks, KY
13.9 W4FAO Brooks
W4FAO BM
 444.3500 +5 CC1 DMR BrandMeister 312337 — Brooks, KY
14.2 KE4JVM Louisville
KE4JVM EchoLink
 442.6250 +5 DG-ID 00-00 Fusion (C4FM) EchoLink 634824 WIRES-X 21014 WIRES-X 11014 — Louisville, KY
14.6 W9JBQ New Albany
W9JBQ
 146.8500 -0.6 none FM (analog) 🗓 1 net 1 net · 95 check-ins · 47 stations New Albany, IN
14.6 NA9VY Louisville VEI
NA9VY SIN
 440.5125 +5 CC7 DMR BrandMeister 314173 SIN — Louisville, KY
14.6 NA9VY Louisville
NA9VY
 441.9000 +5 CC? DMR — Louisville, KY
14.8 KK4PGE Louisville
KK4PGE IP
 147.4600 in 144.9600 CC1 DMR IP — Louisville, KY
15.2 KE4JVM Louisville
KE4JVM WIRES-X
 145.2300 -0.6 Fusion (C4FM) WIRES-X 21014 — Louisville, KY
15.2 KN4ZYS Louisville
KN4ZYS
 146.8800 -0.6 TONE 100.0 FM (analog) — Louisville, KY
15.2 WB4EJK Louisville
WB4EJK
 147.0300 +0.6 TONE 151.4 FM (analog) — Louisville, KY
15.2 WB4EJK Louisville
WB4EJK
 147.2700 +0.6 TONE 151.4 FM (analog) — Louisville, KY
15.2 KA4MKT
Listed as KA4MKT/R
 Louisville
KA4MKT AllStar
 224.3000 -1.6 none FM (analog) AllStar 662780 — Louisville, KY
15.2 N4KWT Louisville
N4KWT
 443.9750 +5 TONE 100.0 FM (analog) — Louisville, KY
15.2 KM4SGI Louisville
KM4SGI IP
 444.7000 +5 none D-STAR (DMR,DV) IP — Louisville, KY
15.2 N7BBW Louisville
N7BBW
 53.4300 -0.5 TONE 167.9 FM (analog) — Louisville, KY
15.2 KQ9Z Louisville
KQ9Z
 147.3600 +0.6 none FM (analog) — Louisville, KY
15.2 N4ORL Louisville
N4ORL
 442.0000 +5 TONE 146.2 FM (analog) — Louisville, KY
15.3 W4CN Louisville Audub
W4CN AllStar
 147.1800 +0.6 TSQL 79.7 FM (analog) (C4FM,FM) AllStar 632280 EchoLink 425970 WIRES-X 21014 🗓 1 net 1 net · 12 check-ins · 9 stations Louisville, KY
15.3 KC4ZMZ Louisville
KC4ZMZ WIRES-X
 147.1800 +0.6 DG-ID 00-00 Fusion (C4FM) WIRES-X 35042 — Louisville, KY
16.9 W9BGW Floyds Knobs
W9BGW
 224.8200 -1.6 none FM (analog) — Floyds Knobs, IN
18.4 W4BEJ Radcliff
W4BEJ
 146.9250 -0.6 none FM (analog) — Radcliff, KY
18.4 WX4HC Radcliff
WX4HC
 147.1500 +0.6 TSQL 103.5 FM (analog) — Radcliff, KY
18.4 AF9H Floyds Knobs WHA
AF9H AllStar
 444.2000 +5 TSQL 67.0 FM (analog) AllStar 626483 — Floyds Knobs, IN
18.4 AF9H Floyds Knobs WHA
AF9H Bluegrass-D
 443.1500 +5 CC7 DMR Bluegrass-DMR — Floyds Knobs, IN
19.3 WA4BEB Louisville
WA4BEB BM
 441.6875 in 431.6875 CC2 DMR BrandMeister 3183420 — Louisville, KY
19.9 N1DTA radcliff
N1DTA kentuckydm
 444.1375 +5 CC1 DMR kentuckydmr-c-bidge — radcliff, KY
20.0 KB9JLE Frenchtown
KB9JLE
 146.8200 -0.6 TONE 103.5 FM (analog) 🗓 1 net 1 net · 45 check-ins · 18 stations Frenchtown, IN
20.4 KM4LNN Vine Grove
KM4LNN BM
 444.9125 +5 CC1 DMR BrandMeister 310779 — Vine Grove, KY
20.4 N1DTA vine grove
N1DTA kentuckydm
 444.7750 +5 CC1 DMR kentuckydmr-c-bidge — vine grove, KY
20.5 N4TNS Vine Grove
N4TNS
 147.1200 +0.6 TSQL 77.0 D-STAR 🗓 1 net 1 net · 26 check-ins · 26 stations Vine Grove, KY
20.5 K4KYD Mount
K4KYD BM
 434.0000 -5 CC1 DMR BrandMeister 3194935 — Mount Washington, KY
22.3 WS4E Lyndon Kentucky
WS4E BM
 433.0500 +5 CC1 DMR BrandMeister 317860503 — Lyndon, Kentucky 402, KY
23.1 N9CBW Mount
N9CBW BM
 440.9750 in 447.9750 CC3 DMR BrandMeister 322587203 — Mount Washington, KY
23.4 KG4LHQ Irvington
KG4LHQ BM
 444.5125 +5 CC1 DMR BrandMeister 312101 — Irvington, KY
24.9 KC4ZMZ Prospect City
KC4ZMZ IRLP
 145.2800 -0.6 TSQL 77.0 FM (analog) (FM,C4FM) EchoLink 634824 WIRES-X 21024 IRLP — Prospect, KY
26.7 K9HJJ Charlestown
K9HJJ BM
 434.7550 +5 CC7 DMR BrandMeister 322170201 — Charlestown, IN
28.2 K4KTR elizabethtown
K4KTR BM
 444.7625 +5 CC1 DMR BrandMeister 310562 — elizabethtown, KY
28.2 KG4LHQ Elizabethtown
KG4LHQ BM
 444.9125 +5 CC1 DMR BrandMeister 312107 — Elizabethtown, KY
28.3 WX4HC Elizabethtown
WX4HC
 145.3500 -0.6 TSQL 103.5 FM (analog) — Elizabethtown, KY
28.4 WX8V Louisville
WX8V AllStar
 224.3000 -1.6 none FM (analog) AllStar 662780 — Louisville, KY
28.4 W4BEJ Elizabethtown
W4BEJ
 146.9800 -0.6 none FM (analog) — Elizabethtown, KY
28.4 W4BEJ Elizabethtown
W4BEJ
 444.8000 +5 none FM (analog) — Elizabethtown, KY
30.8 K4KTR Cecilia
K4KTR BM
 443.1125 +5 CC1 DMR BrandMeister 312809 — Cecilia, KY
30.8 KY4OC Crestwood
KY4OC
 147.3900 +0.6 TONE 151.4 FM (analog) (FM,C4FM) — Crestwood, KY
33.4 KC9OBN Leopold
KC9OBN
 145.1900 -0.6 TONE 107.2 FM (analog) — Leopold, IN
34.0 KX4DN Taylorsville
KX4DN AllStar
 443.8250 +5 TSQL 118.8 FM (analog) (FM,C4FM) EchoLink 962382 WIRES-X 36750 AllStar 59550 — Taylorsville, KY
34.3 KN4RFJ Bardstown
KN4RFJ WIRES-X
 145.4700 -0.6 DG-ID 00-00 Fusion (C4FM) WIRES-X 58214 — Bardstown, KY
36.3 KB4KY Bardstown
KB4KY EchoLink
 145.4700 -0.6 TSQL 151.4 FM (analog) (FM,C4FM) EchoLink 978627 WIRES-X 68214 — Bardstown, KY
36.3 KB4KY Bardstown
KB4KY
 442.0500 +5 DCS 654 FM (analog) (FM,C4FM) — Bardstown, KY
37.1 KY4SP Westview
KY4SP
 147.0600 +0.6 TSQL 136.5 FM (analog) (FM,C4FM) — Westview, KY
38.7 WF1RES LaGrange
WF1RES BM
 440.5250 +5 TSQL 151.4 FM (analog) (DMR,FM) BrandMeister 311787 — LaGrange, KY
40.7 N4TNS Smithfield
N4TNS
 147.4600 in 144.9600 DCS 365 FM (analog) (DV,FM) 🗓 1 net 1 net · 26 check-ins · 26 stations Smithfield, KY
40.7 no call listed SMITHFIELD Buste
EchoLink
 224.1800 -1.6 DCS 365 FM (analog) EchoLink 182577 🗓 2 nets 2 nets · 51 check-ins · 20 stations SMITHFIELD, KY
40.7 N4TNS Smithfield
N4TNS AllStar
 224.1800 -1.6 DCS 365 FM (analog) EchoLink 182577 AllStar 41623 🗓 1 net 1 net · 26 check-ins · 26 stations Smithfield, KY
40.7 K4JTA Smithfield Buste
K4JTA AllStar
 224.1800 -1.6 DCS 365 FM (analog) AllStar 41623 EchoLink 182577 — Smithfield, KY
40.8 KB9OHY Paoli
KB9OHY AllStar
 147.0450 +0.6 TSQL 103.5 FM (analog) (C4FM,FM) AllStar 668241 🗓 1 net 1 net · 77 check-ins · 24 stations Paoli, IN
40.8 KG4ABB Westport
KG4ABB BM
 444.0750 +5 CC1 DMR BrandMeister 314150 — Westport, KY
41.2 KE4LR Shelbyville
KE4LR
 444.4500 +5 TONE 100.0 FM (analog) (FM,C4FM) 🗓 1 net 1 net · 49 check-ins · 23 stations Shelbyville, KY
41.2 KE4LR Shelbyville
KE4LR AllStar
 147.0000 +0.6 TONE 173.8 FM (analog) AllStar 519481 🗓 1 net 1 net · 49 check-ins · 23 stations Shelbyville, KY
41.4 WR9G Scottsburg
WR9G
 146.6100 -0.6 TONE 103.5 FM (analog) — Scottsburg, IN
42.0 KB4TB La Grange
KB4TB BM
 443.5000 +5 CC10 DMR BrandMeister 321380201 — La Grange, KY
42.2 KB9OHY Paoli Muni Arpt
KB9OHY
 444.0250 +5 TSQL 103.5 FM (analog) (FM,C4FM) 🗓 1 net 1 net · 77 check-ins · 24 stations Paoli, IN
43.2 K4JTA Smithfield
K4JTA TGIF
 443.5750 +5 CC1 DMR TGIF — Smithfield, KY
43.6 N1DTA Buffalo
N1DTA
 147.2550 +0.6 TSQL 77.0 FM (analog) — Buffalo, KY
43.6 N1DTA Buffalo
N1DTA kentuckydm
 440.6125 +5 CC1 DMR kentuckydmr-c-bidge — Buffalo, KY
43.7 KC9BUH Wickliffe Patoka
KC9BUH
 145.3700 -0.6 Fusion (C4FM) — Wickliffe, IN
44.1 KE4YRI Shelbyville
KE4YRI WIRES-X
 444.0500 +5 DG-ID 00-00 Fusion (C4FM) WIRES-X 30282 — Shelbyville, KY
45.2 KY4HC Hawesville
KY4HC
 146.7150 -0.6 TSQL 136.5 FM (analog) — Hawesville, KY
45.2 K4KYB Leitchfield
K4KYB
 442.3500 +5 TSQL 103.5 FM (analog) — Leitchfield, KY
45.3 N1DTA Springfield
N1DTA kentuckydm
 443.1250 +5 CC1 DMR kentuckydmr-c-bidge — Springfield, KY
45.3 N9ICV Austin
N9ICV BM
 145.3800 -0.6 CC2 DMR BrandMeister 310449 — Austin, IN
45.8 N1DTA Buffalo
N1DTA kentuckydm
 147.0300 -0.6 TSQL 146.2 FM (analog) (DMR,FM) kentuckydmr-c-bidge — Buffalo, KY
46.9 KB4PTJ Williamsburg
KB4PTJ AllStar
 444.0500 +5 TONE 100.0 FM (analog) (C4FM,FM) AllStar 40151 EchoLink 257220 IRLP 4503 AllStar 40152 EchoLink 257221 WIRES-X 40282 IRLP 4241 — Williamsburg, KY
47.4 WA4FOB Magnolia
WA4FOB
 146.6700 -0.6 TONE 77.0 FM (analog) — Magnolia, KY
47.4 WA4FOB Magnolia
WA4FOB
 443.6750 +5 TONE 77.0 FM (analog) — Magnolia, KY
47.8 KC7UKZ Raywick
KC7UKZ BM
 445.3000 -5 CC1 DMR BrandMeister 3223527 — Raywick, KY
48.5 KB4KY Springfield
KB4KY WIRES-X
 443.0500 +5 DCS 654 FM (analog) (FM,C4FM) WIRES-X 68214 — Springfield, KY
48.8 N9ICV Austin
N9ICV BM
 441.0250 +5 CC1 DMR BrandMeister 3123757 BrandMeister 313459 — Austin, IN
48.9 N1DTA Raywick
N1DTA kentuckydm
 440.6875 +5 CC1 DMR kentuckydmr-c-bidge — Raywick, KY
49.3 K9CFM Ferdinand
K9CFM
 444.1750 +5 CC1 DMR — Ferdinand, IN
9.9 KK4CZ offline Fairdale
KK4CZ
 145.4100 -0.6 TSQL 151.4 FM (analog) (FM,C4FM) — Fairdale, KY
11.3 KK4CZ offline Fairdale
KK4CZ
 53.4100 -1 TSQL 100.0 FM (analog) — Fairdale, KY
14.6 KC4ZMZ offline New Albany
KC4ZMZ
 442.8500 +5 Fusion (C4FM) — New Albany, IN
15.1 WB4UMR offline Louisville
WB4UMR
 444.4250 +5 DCS 071 FM (analog) — Louisville, KY
15.2 KK4CZ offline Louisville
KK4CZ
 441.3500 +5 DCS 654 FM (analog) — Louisville, KY
17.1 KC9HZT offline Greenville
KC9HZT IRLP
 446.0000 simplex none FM (analog) IRLP 4609 — Greenville, IN
19.7 WB9GNA offline Frenchtown
WB9GNA
 442.3000 +5 TONE 146.2 FM (analog) — Frenchtown, IN
26.2 WJ2W offline New Albany
WJ2W IRLP
 147.5400 simplex TSQL 100.0 FM (analog) IRLP 7111 — New Albany, IN
29.2 K4KTR offline Elizabethtown
K4KTR
 147.4125 -0.9999 none FM (analog) (FM,P25) — Elizabethtown, KY
35.2 KB9KPG offline Salem
KB9KPG
 146.6550 -0.6 TONE 103.5 FM (analog) — Salem, IN
35.2 KB9SGN offline Salem
KB9SGN
 444.9250 +5 TONE 136.5 FM (analog) — Salem, IN
39.0 WF1RES offline O Fallon
WF1RES BM
 447.5250 +5 CC4 DMR BrandMeister 311775 — O Fallon, IL

Vanity applications

Filed · AwardApplicantRequested (in order)Status
Filed Sep 19, 2000
Granted Oct 10, 2020
0000221522
 N4OKX · MARK S WILLIAMS · Amateur Extra
PO Box 39162 · 152 Bellaire Avenue, LOUISVILLE, KY 40206
38.2565, -85.7016 (ZIP center) · Grid EM78dg · CQ 4 · ITU 8 · map ↗
1.K9GX ✓ granted
2.K9XG held by Seth M Goodwin until May 29, 2034
3.N9GX held by CHRISTOPHER A SCHEINER until Jun 16, 2032
4.N9XZ held by James Branch until Sep 12, 2035
5.K9YX held by Thomas D Lorenzen until Feb 26, 2033
6.N9XG held by Ian C Offer until Jun 22, 2034
7.N9ZT held by MATTHEW A THOMASSEN until Apr 28, 2031
 Granted
got K9GX
Filed May 30, 2000
Award date was Jun 17, 2000
0000143938
 N4OKX · MARK S WILLIAMS · Amateur Extra
301 IOLA RD, LOUISVILLE, KY 40207
38.2635, -85.6566 (ZIP center) · Grid EM78eg · CQ 4 · ITU 8 · map ↗
1.W6MW held by MARK D WEST until Jun 13, 2030
 Dismissed
Filed May 25, 2000
Award date was Jun 12, 2000
0000140138
 N4OKX · MARK S WILLIAMS · Amateur Extra
301 IOLA RD, LOUISVILLE, KY 40207
38.2635, -85.6566 (ZIP center) · Grid EM78eg · CQ 4 · ITU 8 · map ↗
1.W6MW held by MARK D WEST until Jun 13, 2030
 Dismissed
Filed May 24, 2000
Award date was Jun 11, 2000
0000138582
 N4OKX · MARK S WILLIAMS · Amateur Extra
301 IOLA RD, LOUISVILLE, KY 40207
38.2635, -85.6566 (ZIP center) · Grid EM78eg · CQ 4 · ITU 8 · map ↗
1.W6MW held by MARK D WEST until Jun 13, 2030
 Dismissed