N9TPB FCC License Search
🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 9, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

ROBERT C HAMM

FRN 0024845281 · first licensed Sep 14, 2015 as KM4NGJ · 2 licenses on record

📝 FCC Applications (4)

ReceivedFile numberServicePurposeStatusCall
Jan 17, 20170007623314 HAMModificationGranted K4BOH
Dec 22, 20160007600744 HAMDuplicate licenseGranted K4BOH
Sep 16, 20150006948143 HAMModificationGranted KM4NGJ
Sep 14, 20150006944254 HAMNew licenseGranted KM4NGJ

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

79 repeaters within 50 miles of this address, most active 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
8.4 W4FTK Little Mt
W4FTK AllStar
 443.8750 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Little Mt, SC
8.5 W4FTK Little Mountain
W4FTK AllStar
 146.6250 -0.6 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Little Mountain, SC
15.1 W4FTK Saluda Sheriffs
W4FTK AllStar
 147.7500 -0.6 TONE 123.0 FM (analog) AllStar EchoLink 🗓 2 nets 2 nets · 643 check-ins · 265 stations Saluda, SC
30.3 W4FTK Columbia
W4FTK AllStar
 442.8750 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Columbia, SC
31.4 W4FTK Clinton
W4FTK AllStar
 443.6750 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Clinton, SC
32.8 W4FTK Blythewood
W4FTK AllStar
 443.6500 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Blythewood, SC
44.0 W4FTK Union
W4FTK AllStar
 441.7000 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Union, SC
49.7 W4FTK Richburg
W4FTK AllStar
 146.7600 -0.6 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Richburg, SC
32.2 W4DV Trenton
W4DV
 145.3900 -0.6 TSQL 71.9 FM (analog) 🗓 5 nets 5 nets · 506 check-ins · 120 stations Trenton, SC
32.2 W4DV Trenton
W4DV
 442.5500 +5 CC1 DMR 🗓 5 nets 5 nets · 506 check-ins · 120 stations Trenton, SC
38.4 W4DV Trenton
W4DV EchoLink
 145.4900 -0.6 TSQL 71.9 FM (analog) EchoLink 128921 🗓 5 nets 5 nets · 506 check-ins · 120 stations Trenton, SC
38.4 W4DV Trenton
W4DV
 444.9500 +5 TSQL 71.9 FM (analog) 🗓 5 nets 5 nets · 506 check-ins · 120 stations Trenton, SC
8.3 WR4SC Little Mountain
WR4SC
 147.2100 +0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 254 check-ins · 104 stations Little Mountain, SC
10.7 WR4SC Little Mountain
WR4SC NC-PRN
 443.5375 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 254 check-ins · 104 stations Little Mountain, SC
30.4 WR4SC Columbia Capital
WR4SC NC-PRN
 440.6125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 254 check-ins · 104 stations Columbia, SC
34.5 WR4SC Columbia
WR4SC NC-PRN
 442.5125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 254 check-ins · 104 stations Columbia, SC
34.5 WR4SC Columbia
WR4SC
 441.7250 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 254 check-ins · 104 stations Columbia, SC
39.4 WR4SC Greenwood
WR4SC
 441.6250 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 254 check-ins · 104 stations Greenwood, SC
39.4 WR4SC Greenwood
WR4SC NC-PRN
 443.8375 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 254 check-ins · 104 stations Greenwood, SC
41.2 WR4SC Aiken
WR4SC
 441.5250 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 254 check-ins · 104 stations Aiken, SC
43.4 WR4SC Chester
WR4SC
 440.5750 +5 CC1 DMR 🗓 2 nets 2 nets · 254 check-ins · 104 stations Chester SC, SC
40.1 N2ZZ Aiken
N2ZZ BM
 443.4625 +5 CC1 DMR BrandMeister 314500 🗓 4 nets 4 nets · 107 check-ins · 62 stations Aiken, SC
41.2 N2ZZ Aiken Reg Med
N2ZZ EchoLink
 145.3500 -0.6 TSQL 156.7 FM (analog) EchoLink 5764 🗓 4 nets 4 nets · 107 check-ins · 62 stations Aiken, SC
30.4 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
40.9 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
17.5 K4LLE Lexington S
K4LLE
 147.0000 +0.6 TSQL 123.0 FM (analog) (FM,P25) 🗓 3 nets 3 nets · 89 check-ins · 31 stations Lexington, SC
40.2 KW4BET Union
KW4BET AllStar
 145.1500 simplex TONE 103.5 FM (analog) AllStar 474342 🗓 1 net 1 net · 51 check-ins · 50 stations Union, SC
43.2 KW4BET Chester Near
KW4BET XLX056
 442.4750 +5 DCS 023 FM (analog) (DMR,FM) AllStar 474346 EchoLink 442475 IRLP 7609 WIRES-X 36034 AllStar 474345 XLX056 🗓 1 net 1 net · 51 check-ins · 50 stations Chester, SC
47.9 KW4BET Lewis
KW4BET AllStar
 442.1750 +5 none FM (analog) AllStar 530449 🗓 1 net 1 net · 51 check-ins · 50 stations Lewis SC, SC
48.0 KW4BET Lewis
KW4BET AllStar
 146.5350 simplex TONE 77.0 FM (analog) AllStar 474349 🗓 1 net 1 net · 51 check-ins · 50 stations Lewis, SC
48.0 KW4BET Chester
KW4BET AllStar
 445.9375 simplex TONE 67.0 FM (analog) AllStar 474340 🗓 1 net 1 net · 51 check-ins · 50 stations Chester, SC
48.0 KW4BET Chester
KW4BET IRLP
 446.0250 simplex TSQL 77.0 FM (analog) IRLP 4481 🗓 1 net 1 net · 51 check-ins · 50 stations Chester, SC
48.0 KW4BET Chester NLF Dept
KW4BET AllStar
 52.5700 simplex TONE 67.0 FM (analog) AllStar 474346 EchoLink 442475 IRLP 7609 WIRES-X 46034 AllStar 474344 🗓 1 net 1 net · 51 check-ins · 50 stations Chester, SC
47.9 W4PSC Leslie
W4PSC
 444.7250 +5 DCS 156 FM (analog) 🗓 1 net 1 net · 25 check-ins · 9 stations Leslie, SC
15.5 W4RRC Leesville
W4RRC AllStar
 147.2550 +0.6 TONE 123.0 FM (analog) AllStar 50790 🗓 1 net 1 net · 10 check-ins · 10 stations Leesville, SC
8.3 N4UHF Little Mountain
N4UHF
 444.6500 +5 CC0 DMR — Little Mountain, SC
15.1 KG4UAL Leesville
KG4UAL AllStar
 444.4000 +5 DCS 315 FM (analog) AllStar 558721 — Leesville, SC
17.0 AF4E Saluda Wtr Tank
AF4E AllStar
 146.9100 -0.6 TSQL 123.0 FM (analog) AllStar 458591 — Saluda, SC
19.0 KQ4NOR Glymphville
KQ4NOR AllStar
 146.9550 simplex TONE 186.2 FM (analog) AllStar 66357 — Glymphville, SC
19.4 N5CWH Gilbert
N5CWH
 146.6550 -0.6 TSQL 156.7 FM (analog) — Gilbert, SC
19.4 KC4GYM Gilbert
KC4GYM IRLP
 224.5600 -1.6 TSQL 162.2 FM (analog) IRLP 4109 — Gilbert, SC
20.4 KF4NQN Monettta
KF4NQN AllStar
 446.6000 -5 TONE 156.7 FM (analog) AllStar 28575 — Monettta, SC
24.9 KG4GKY Offline West Columbia
KG4GKY IRLP
 446.8750 simplex TSQL 79.7 FM (analog) IRLP 4045 — West Columbia, SC
25.4 W4DZF Columbia St
W4DZF
 145.2700 -0.6 DCS 632 FM (analog) — Columbia, SC
29.3 W4EAE Offline Cayce
W4EAE IRLP
 147.5100 simplex TSQL 131.8 FM (analog) IRLP 8255 — Cayce, SC
30.4 K4HI Columbia
K4HI WIRES-X
 147.3600 +0.6 TSQL 100.0 FM (analog) WIRES-X 64927 — Columbia, SC
30.4 K9OH Columbia
K9OH AllStar
 444.8750 +5 TSQL 91.5 FM (analog) AllStar 417861 — Columbia, SC
30.4 N4EOY Offline Columbia
N4EOY
 224.9000 -1.6 none FM (analog) — Columbia, SC
31.1 WR4EC Edgefield
WR4EC
 146.8500 -0.6 TSQL 91.5 FM (analog) — Edgefield, SC
31.4 W4EAE Cayce
W4EAE
 433.1000 +5 CC1 DMR — Cayce, SC
31.4 W4EAE Cayce
W4EAE
 443.1000 +5 none D-STAR (DMR,DV) — Cayce, SC
35.3 W4GWM Greenwood
W4GWM
 145.4200 -0.6 none D-STAR — Greenwood, SC
35.8 W4GWD Greenwood
W4GWD
 443.9000 +5 TONE 107.2 FM (analog) — Greenwood, SC
36.8 KD4HLH Laurens
KD4HLH
 443.1750 +5 TONE 146.2 FM (analog) — Laurens, SC
36.9 KJ4BWK Columbia
KJ4BWK
 442.2000 +5 none D-STAR — Columbia, SC
36.9 KJ4BWK Columbia
KJ4BWK
 1282.2250 +12 none D-STAR — Columbia, SC
38.6 K1LVA Aiken
K1LVA AllStar
 145.7700 simplex TONE 131.8 FM (analog) AllStar 28249 EchoLink 179307 — Aiken, SC
39.4 W4GWD Greenwood
W4GWD EchoLink
 147.1650 +0.6 TONE 107.2 FM (analog) EchoLink 584003 — Greenwood, SC
40.3 K4USC Union
K4USC AllStar
 145.1500 -0.6 TONE 123.0 FM (analog) AllStar 53344 — Union, SC
40.6 KR4AIK Aiken Old Hosp
KR4AIK
 145.1600 -0.6 none D-STAR — Aiken, SC
40.6 KR4AIK Aiken Old Hosp
KR4AIK
 443.4125 +5 none D-STAR — Aiken, SC
41.2 N4ADM Aiken
N4ADM
 147.2850 +0.6 none FM (analog) — Aiken, SC
41.3 K4USC Union
K4USC
 146.8350 -0.6 TONE 123.0 FM (analog) — Union, SC
42.0 KI4IVP Elgin
KI4IVP WIRES-X
 147.2400 +0.6 TSQL 103.5 FM (analog) (FM,C4FM) WIRES-X 18449 — Elgin, SC
43.1 WK2Y Atlanta
WK2Y BM
 439.0000 -5 CC1 DMR BrandMeister 310199501 — Atlanta, SC
43.2 W4CHR Chester Near
W4CHR AllStar
 145.3100 -0.6 DCS 145 FM (analog) AllStar 530447 EchoLink 307645 — Chester, SC
43.6 N4ADI Aiken
N4ADI
 146.8050 -0.6 none FM (analog) — Aiken, SC
43.6 N4ADI Aiken
N4ADI
 440.7125 +5 none D-STAR — Aiken, SC
43.6 N4ADI Aiken
N4ADI
 443.0000 +5 none FM (analog) (DMR,FM) — Aiken, SC
43.6 N4ADI Aiken
N4ADI BM
 444.0375 +5 CC0 DMR BrandMeister 310972 — Aiken, SC
43.6 N4ADI Aiken
N4ADI
 927.7000 -25 none P25 — Aiken, SC
43.6 N4ADI Offline Punta Gorda
N4ADI
 444.6500 +5 CC? DMR — Punta Gorda, FL
44.3 KD4HLH Laurens
KD4HLH
 146.8650 -0.6 TONE 107.2 FM (analog) — Laurens, SC
46.1 WJ4X Donalds
WJ4X EchoLink
 442.6000 +5 TSQL 107.2 FM (analog) (DMR,FM) EchoLink 29638 BrandMeister 314526 — Donalds, SC
48.0 N4VDE Abbeville
N4VDE BM
 443.9750 +5 CC1 DMR BrandMeister 312340 — Abbeville, SC
48.8 KI4RAX Lugoff
KI4RAX
 146.8200 -0.6 TSQL 91.5 FM (analog) (FM,C4FM) — Lugoff, SC
48.8 KI4RAX Lugoff
KI4RAX
 441.8000 +5 none D-STAR (DV,DMR) — Lugoff, SC
49.9 KE4RAP North Augusta
KE4RAP WIRES-X
 146.9400 -0.6 Fusion (C4FM) WIRES-X 92023 — North Augusta, SC
49.9 KE4RAP North Augusta
KE4RAP
 444.8000 +5 TSQL 146.2 FM (analog) — North Augusta, SC

Vanity Applications

Filed · AwardApplicantRequested (in order)Status
Filed Sep 16, 2015
Granted Oct 6, 2015
0006948143
 KM4NGJ · ROBERT C HAMM · Technician
Attn: CHASE HAMM · 3301 SC HIGHWAY 391, PROSPERITY, SC 29127
34.1533, -81.5125 (ZIP center) · Grid EM94fd · CQ 5 · ITU 8 · map ↗
1.K4BOH ✓ Granted
2.K4PZA Held by Jeffrey R Gayle until Jan 28, 2035
3.K4GAD Held by G William Clapp until Mar 24, 2025
4.K4DCK Held by JOHN N DUCKWORTH until Aug 9, 2034
 Granted
got K4BOH