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

Richard S Marks

FRN 0030631105 · first licensed Apr 15, 2021 as KO4PKN · 2 licenses on record

📻 GMRS licenses on this FRN

GMRS callStatusNameLocationGrantedExpires
WROI845 Active Richard S MarksSumter, SC Oct 21, 2021Oct 21, 2031

📝 FCC applications (4)

ReceivedFile numberServicePurposeStatusCall
Jun 25, 20240011133466 HAMModificationGranted N4RSM
Oct 20, 20210009761528 GMRSNew licenseGranted
Jul 30, 20210009642489 HAMModificationGranted KO4PKN
Jul 29, 20210009641491 HAMModificationDismissed KO4PKN

Complete licensing history

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

Nets

NetWhenFrequencyRoleTimesLast
STEM NETThu 6:00 PM · Thu 6:15 PM · Thu 6:30 PM ET146.760Checked in32026-10-01
SCHEART NET THURSDAY AMThu 8:30 AM · Thu 8:45 AM ET441.525Checked in32026-09-24
Catawba Valley Radio NetThu 7:15 PM ET146.850Checked in22026-09-10
SCHEART-ThursdayThu 8:45 AM ET145.35Checked in12026-10-01
SCHEART - ThursdayThu 8:15 AM ET147.345Checked in12026-09-10
NWS Midlands Skywarn Weather NetTue 7:00 PM ETVariousChecked in12026-09-08

From nets logged with NetLogger since the start of collection.

Repeaters within 50 miles

67 repeaters within 50 miles of this address, 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 · 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
1.8 W4GL Sumter
W4GL
 441.9500 +5 none D-STAR — Sumter, SC
3.2 W4GL Wedgefield
W4GL
 145.4300 -0.6 TSQL 156.7 FM (analog) — Wedgefield, SC
3.9 W4GL Sumter Tuomey
W4GL
 146.6400 -0.6 TONE 156.7 FM (analog) — Sumter, SC
3.9 W4GL Sumter WRJA
W4GL
 444.1500 +5 TSQL 123.0 FM (analog) (FM,DV) — Sumter, SC
3.9 WR4SC Sumter
WR4SC
 147.0150 +0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Sumter, SC
7.1 W4FTK Sumter
W4FTK AllStar
 443.3000 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Sumter, SC
8.1 W4FTK Wedgefield
W4FTK AllStar
 147.0600 +0.6 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Wedgefield, SC
8.3 W4GL Sumter
W4GL
 147.0150 +0.6 TSQL 156.7 FM (analog) — Sumter, SC
8.3 WR4SC Sumter
WR4SC NC-PRN
 442.3125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Sumter, SC
19.5 KM4ABW Manning Hosp
KM4ABW
 145.1500 -0.6 TSQL 91.5 FM (analog) — Manning, SC
25.1 N7GZT Saint Hemlock rd
N7GZT AllStar
 442.7750 +5 TSQL 156.7 FM (analog) AllStar 637120 — Saint Matthews, SC
25.8 KI4RAX Lugoff
KI4RAX
 146.8200 -0.6 TSQL 91.5 FM (analog) (FM,C4FM) — Lugoff, SC
25.8 KI4RAX Lugoff
KI4RAX
 441.8000 +5 none D-STAR (DV,DMR) — Lugoff, SC
26.0 W4CAE Fort Jackson
W4CAE
 146.7750 -0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 93 check-ins · 43 stations Fort Jackson, SC
27.4 N7GZT Saint Matthews
N7GZT
 53.2100 -1 none FM (analog) — Saint Matthews, SC
27.4 AD4U Saint Matthews
AD4U
 146.6700 -0.6 TSQL 156.7 FM (analog) — Saint Matthews, SC
28.1 KI4IVP Elgin
KI4IVP WIRES-X
 147.2400 +0.6 TSQL 103.5 FM (analog) (FM,C4FM) WIRES-X 18449 — Elgin, SC
28.2 KJ4BWK Saint Matthews
KJ4BWK
 145.4000 -0.6 none D-STAR — Saint Matthews, SC
29.7 KJ4BWK Columbia
KJ4BWK
 442.2000 +5 none D-STAR — Columbia, SC
29.7 KJ4BWK Columbia
KJ4BWK
 1282.2250 +12 none D-STAR — Columbia, SC
31.0 no call listed Florence
AllStar
 29.6000 simplex CC0 DMR AllStar 29419 EchoLink 41809 AllStar 49643 — Florence, SC
31.0 KA3KDL Hartsville
KA3KDL AllStar
 146.6250 -0.6 TSQL 114.8 FM (analog) AllStar 29419 EchoLink 41809 — Hartsville, SC
33.1 KQ4MVG Timmonsville
KQ4MVG
 147.3150 +0.6 TSQL 77.0 FM (analog) — Timmonsville, SC
33.3 WR4SC Columbia
WR4SC
 441.7250 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Columbia, SC
33.3 WR4SC Columbia
WR4SC NC-PRN
 442.5125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Columbia, SC
33.4 KJ4QLH Vance
KJ4QLH
 146.8050 -0.6 TSQL 156.7 FM (analog) — Vance, SC
33.5 W4APE Greeleyville
W4APE EchoLink
 145.2300 -0.6 TONE 123.0 FM (analog) EchoLink 779467 — Greeleyville, SC
34.5 N7GZT Vance
N7GZT AllStar
 442.2000 +5 DCS 023 FM (analog) AllStar 637122 AllStar 637121 — Vance, SC
34.6 W4ULH Hartsville Carol
W4ULH
 442.3500 +5 TONE 162.2 FM (analog) — Hartsville, SC
35.0 WD4KFD Florence I-95/Rt
WD4KFD
 442.5250 +5 TONE 210.7 FM (analog) — Florence, SC
35.2 WR4SC Orangeburg
WR4SC
 146.8800 -0.6 TSQL 123.0 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Orangeburg, SC
35.2 WR4SC Orangeburg
WR4SC NC-PRN
 440.5875 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Orangeburg, SC
35.2 WR4SC Orangeburg
WR4SC
 441.7500 +5 TONE 123.0 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Orangeburg, SC
35.2 KJ4QLH Orangeburg /Calh
KJ4QLH
 147.3900 +0.6 TSQL 156.7 FM (analog) — Orangeburg, SC
35.7 KQ4MKW Darlington S Ca
KQ4MKW BM
 445.5125 -5 CC1 DMR BrandMeister 321045702 — Darlington, South Ca, SC
35.7 W4APE Greeleyville
W4APE
 444.7500 +5 TSQL 123.0 FM (analog) — Greeleyville, SC
36.2 W4EAE Cayce
W4EAE
 433.1000 +5 CC1 DMR — Cayce, SC
36.2 W4EAE Cayce
W4EAE
 443.1000 +5 none D-STAR (DMR,DV) — Cayce, SC
36.3 W4CAE Columbia
W4CAE AllStar
 147.3300 +0.6 TSQL 156.7 FM (analog) AllStar 494460 🗓 2 nets 2 nets · 93 check-ins · 43 stations Columbia, SC
36.3 K4HI Columbia
K4HI WIRES-X
 147.3600 +0.6 TSQL 100.0 FM (analog) WIRES-X 64927 — Columbia, SC
36.3 WR4SC Columbia Capital
WR4SC NC-PRN
 440.6125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Columbia, SC
36.3 K9OH Columbia
K9OH AllStar
 444.8750 +5 TSQL 91.5 FM (analog) AllStar 417861 — Columbia, SC
36.4 W4FTK Columbia
W4FTK AllStar
 442.8750 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Columbia, SC
37.6 WR4SC Lake City
WR4SC NC-PRN
 440.6375 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Lake City, SC
38.3 W4FTK Blythewood
W4FTK AllStar
 443.6500 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Blythewood, SC
39.7 WX4ARC Florence
WX4ARC TGIF
 442.2875 +5 CC1 DMR TGIF — Florence, SC
40.9 KB4RRC Florence
KB4RRC
 147.2550 +0.6 TSQL 162.2 FM (analog) — Florence, SC
40.9 KB4RRC Darlington FDTC
KB4RRC
 444.8000 +5 TSQL 91.5 FM (analog) — Darlington, SC
41.1 W4DZF Columbia St
W4DZF
 145.2700 -0.6 DCS 632 FM (analog) — Columbia, SC
41.1 W4ULH Florence MUSC
W4ULH
 444.0000 +5 TONE 123.0 FM (analog) — Florence, SC
41.2 W4APE Florence
W4APE EchoLink
 147.1950 +0.6 TONE 123.0 FM (analog) EchoLink 779467 — Florence, SC
41.5 KA4GDW Bowman
KA4GDW
 224.7800 -1.6 TSQL 179.9 FM (analog) — Bowman, SC
41.6 KB4RRC Florence City
KB4RRC
 146.9700 -0.6 TONE 167.9 FM (analog) — Florence, SC
41.9 KJ4OEF Florence MRM Ctr
KJ4OEF
 444.8500 +5 TSQL 162.2 FM (analog) — Florence, SC
42.2 KA4GDW Bowman
KA4GDW
 146.8350 -0.6 TSQL 179.9 FM (analog) — Bowman, SC
42.6 KJ4OEF Darlington
KJ4OEF
 444.6000 +5 TONE 162.2 FM (analog) — Darlington, SC
44.4 KK4B Russellville
KK4B
 147.3000 +0.6 TSQL 162.2 FM (analog) 🗓 2 nets 2 nets · 35 check-ins · 24 stations Russellville, SC
45.6 WR4SC Florence
WR4SC
 146.6850 -0.6 TSQL 91.5 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Florence, SC
45.6 W4ULH Florence WJPM
W4ULH
 146.8500 -0.6 TSQL 123.0 FM (analog) — Florence, SC
45.6 W4APE Florence
W4APE EchoLink
 442.0500 +5 TONE 123.0 FM (analog) EchoLink 779467 — Florence, SC
45.6 WR4SC Florence
WR4SC NC-PRN
 442.1625 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Florence, SC
47.3 KJ4QLH Neeses
KJ4QLH
 147.0900 +0.6 TONE 156.7 FM (analog) — Neeses, SC
26.3 W4APE offline Lucknow
W4APE EchoLink
 146.9250 -0.6 TONE 123.0 FM (analog) EchoLink 779467 — Lucknow, SC
36.3 N4EOY offline Columbia
N4EOY
 224.9000 -1.6 none FM (analog) — Columbia, SC
38.2 W4EAE offline Cayce
W4EAE IRLP
 147.5100 simplex TSQL 131.8 FM (analog) IRLP 8255 — Cayce, SC
40.6 NE4SC offline Kingstree
NE4SC
 145.3100 -0.6 TONE 123.0 FM (analog) — Kingstree, SC
44.1 KG4GKY offline West Columbia
KG4GKY IRLP
 446.8750 simplex TSQL 79.7 FM (analog) IRLP 4045 — West Columbia, SC

Vanity applications

Filed · AwardApplicantRequested (in order)Status
Filed Jul 30, 2021
Granted Aug 17, 2021
0009642489
 KO4PKN · Richard S Marks · General
Attn: Richard S Marks · 2819 Hathaway Dr, Sumter, SC 29154
33.9171, -80.4092 (street) · Grid EM93tw · CQ 5 · ITU 8 · map ↗
1.N4RSM ✓ granted
 Granted
got N4RSM
Filed Jul 29, 2021
Award date was Aug 16, 2021
0009641491
 KO4PKN · Richard S Marks · General
2819 Hathaway Pl, Sumter, SC 29154
33.8153, -80.4353 (ZIP center) · Grid EM93st · CQ 5 · ITU 8 · map ↗
 Dismissed