N9TPB FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 6, 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

K4UM HAM

Club licensed since 1988 (38 yrs) K4UM since 1999 · previously K4AU Ringgold, VA Grid FM06in LoTW user Heard on PSK Reporter by 1 98 repeaters within 50 mi
🔒 Not available — currently licensed, through Aug 29, 2029. If it isn't renewed, it opens for vanity requests Aug 30, 2031.

📬 QSL: LoTW user · last upload Oct 4, 2026 as previous call K4AU · none yet as K4UM · eQSL AG as K4AU · QRZ · HamQTH

Currently held by DANVILLE AMATEUR RADIO SOCIETY · 1 holder on record

Current holder: DANVILLE AMATEUR RADIO SOCIETY

Held K4UM Jun 16, 1999 → present · first licensed Jun 14, 1988 as KM4AU · 2 licenses · FRN 0003290400

Callbook Records, 1993–2003
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Earlier Holders

K4UM in the 1993–2003 Callbooks
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.

Others Requesting K4UM

2 applications listed K4UM as a choice, newest first.

FiledAwardApplicantChoice #K4UMResult
Jun 22, 2009 Jul 10, 2009 KB4JZH · Gary R Dahlhofer · Clyde, NC 4Not granted They got W4GRD (choice 1)
Jun 10, 2009 Jun 28, 2009 AB0G · BRAD P WILSON · Dallas, GA 12Not granted They got N4UX (choice 2)

📡 On the Air: APRS, Digital & WSPR Spots

📤 Heard by others PSK Reporter

Heard by 1 station (1 reports) · last 13 hr ago · CW · grid FM06in88
20m · 1
Farthest: K3GMQ, 345 miles on 20m CW (5 dB)
PSK Reporter map →

Repeaters within 50 Miles

98 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
47.5 K4ITL Chapel Hill Oran
K4ITL
 147.1350 +0.6 TSQL 82.5 FM (analog) 🗓 2 nets 2 nets · 157 check-ins · 112 stations Chapel Hill, Orange county, NC
37.2 WR4AGC Durham Hl
WR4AGC EchoLink
 145.4500 -0.6 TSQL 82.5 FM (analog) EchoLink 855424 🗓 2 nets 2 nets · 95 check-ins · 28 stations Durham, NC
37.2 WR4AGC Durham Hl
WR4AGC IRLP
 444.1000 +5 TSQL 82.5 FM (analog) IRLP 4441 🗓 2 nets 2 nets · 95 check-ins · 28 stations Durham, NC
37.2 WR4AGC Durham
WR4AGC
 53.6100 -1 TONE 88.5 FM (analog) 🗓 2 nets 2 nets · 95 check-ins · 28 stations Durham, NC
37.8 WR4AGC Hillsborough
WR4AGC
 147.2250 +0.6 TSQL 82.5 FM (analog) 🗓 2 nets 2 nets · 95 check-ins · 28 stations Hillsborough, NC
37.8 WR4AGC Hillsborough
WR4AGC AllStar
 224.2600 -1.6 none FM (analog) AllStar 55342 IRLP 8658 🗓 2 nets 2 nets · 95 check-ins · 28 stations Hillsborough, NC
37.8 WR4AGC Hillsborough
WR4AGC NC-PRN
 443.1375 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 95 check-ins · 28 stations Hillsborough, NC
43.4 WR4AGC Durham DU Hosp
WR4AGC
 444.4500 +5 TSQL 100.0 FM (analog) 🗓 2 nets 2 nets · 95 check-ins · 28 stations Durham, NC
45.7 WA4PXV Greensboro
WA4PXV
 442.3875 +5 CC7 DMR 🗓 1 net 1 net · 74 check-ins · 62 stations Greensboro, NC
45.7 WA4PXV Greensboro
WA4PXV
 443.6250 +5 TONE 123.0 FM (analog) 🗓 1 net 1 net · 74 check-ins · 62 stations Greensboro, NC
37.6 W4UNC Hillsborough
W4UNC AllStar
 442.0750 +5 TSQL 107.2 FM (analog) AllStar 593160 AllStar 593164 AllStar 593162 🗓 1 net 1 net · 64 check-ins · 35 stations Hillsborough, NC
49.6 W4UNC Chapel Hill WUNC
W4UNC
 147.1350 +0.6 TSQL 82.5 FM (analog) 🗓 1 net 1 net · 64 check-ins · 35 stations Chapel Hill, NC
49.6 W4UNC Chapel Hill
W4UNC
 53.4500 -1 TONE 107.2 FM (analog) 🗓 1 net 1 net · 64 check-ins · 35 stations Chapel Hill, NC
49.8 W4UNC Chapel Hill
W4UNC AllStar
 442.1500 +5 TSQL 131.8 FM (analog) AllStar 593165 🗓 1 net 1 net · 64 check-ins · 35 stations Chapel Hill, NC
30.9 W4BAD
Listed as W4BAD HOME UHF
 HILLSBOROUGH
W4BAD C-Bridge
 444.1375 +5 CC1 DMR BrandMeister 315082 C-Bridge 🗓 1 net 1 net · 8 check-ins · 7 stations HILLSBOROUGH, NC
44.8 AK4EG Snow Camp CC Mtn
AK4EG Plus
 444.3500 +5 CC1 DMR Plus 🗓 2 nets 2 nets Snow Camp, Cane Creek Mtn, Alamance county, NC
45.1 W4GSO Greensboro
W4GSO
 145.1500 -0.6 TSQL 100.0 FM (analog) (C4FM,FM) 🗓 2 nets 2 nets Greensboro, NC
39.2 N4IV Madison SC Ranch
N4IV WIRES-X
 147.3450 +0.6 TSQL 103.5 FM (analog) (C4FM,FM) WIRES-X 21268 🗓 1 net 1 net Madison, NC
8.0 KO4TDR Danville
KO4TDR DMRVA
 444.6625 +5 CC9 DMR DMRVA N4HRS — Danville, VA
8.6 KO4TDR Danville Eskey
KO4TDR
 146.6250 -0.6 TSQL 107.2 FM (analog) — Danville, VA
13.1 KO4TDR
Listed as KO4TDR DANVILLE
 Danville WO Mtn
KO4TDR BM
 444.7250 +5 CC10 DMR BrandMeister 314560 — Danville, VA
13.1 KO4TDR Danville WO Mtn
KO4TDR
 146.7000 -0.6 TSQL 107.2 FM (analog) — Danville, VA
13.4 KB3CVS Alton
KB3CVS BM
 147.3600 +0.6 CC1 DMR BrandMeister 312363 — Alton, VA
18.6 W4FYB Chatham
W4FYB
 441.8250 +5 TONE 107.2 FM (analog) — Chatham, VA
18.6 W4FYB Offline Chatham
W4FYB
 224.9200 -1.6 TSQL 123.0 FM (analog) — Chatham, VA
19.4 W4BAD Roxboro
W4BAD BM
 441.6750 +5 TONE 100.0 FM (analog) (DMR,FM) BrandMeister 310068 — Roxboro, NC
20.1 W4BAD Roxboro
W4BAD WIRES-X
 444.5750 +5 Fusion (C4FM) WIRES-X 43073 — Roxboro, NC
21.1 N4HRS South Boston
N4HRS DMRVA
 443.5750 +5 CC9 DMR DMRVA N4HRS — South Boston, VA
21.4 NM4V South Boston
NM4V
 443.9250 +5 TSQL 100.0 FM (analog) (FM,DMR,C4FM) — South Boston, VA
21.4 NM4V South Boston
NM4V
 444.6250 +5 TSQL 100.0 FM (analog) (FM,DMR,C4FM) — South Boston, VA
21.7 NM4V South Boston
NM4V EchoLink
 145.3500 -0.6 TSQL 100.0 FM (analog) (FM,C4FM) EchoLink 368277 WIRES-X 99814 — South Boston, VA
27.1 W4BJF Reidsville Rocki
W4BJF
 147.0300 +0.6 TSQL 118.8 FM (analog) — Reidsville, Rockingham county, NC
27.1 W4BJF Reidsville Rocki
W4BJF
 443.9750 +5 none FM (analog) — Reidsville, Rockingham county, NC
28.4 KF4AGO South Boston
KF4AGO
 147.0600 -0.6 TONE 82.5 FM (analog) — South Boston, VA
29.0 N5HC Offline Scottsburg
N5HC BM
 441.8375 +5 CC1 DMR DMR-MARC BrandMeister 314288 — Scottsburg, VA
29.6 N4IV Wentworth RC HS
N4IV
 442.4750 +5 TONE 103.5 FM (analog) (FM,C4FM) — Wentworth, NC
29.6 N4IV Wentworth RC HS
N4IV
 146.8500 -0.6 TSQL 103.5 FM (analog) (C4FM,FM) — Wentworth, NC
30.4 NC4CD Rougemont
NC4CD
 443.2750 +5 TSQL 100.0 FM (analog) — Rougemont, NC
31.2 KV4JH Hillsborough
KV4JH BM
 438.8000 -0.1 CC1 DMR BrandMeister 3203455 — Hillsborough, NC
33.6 WB4IKY Gibsonville Fire
WB4IKY
 145.4900 -0.6 TSQL 107.2 FM (analog) — Gibsonville, Fire Station 28, Guilford county, NC
34.0 N2NXS Martinsville
N2NXS
 441.8500 +5 CC15 DMR — Martinsville, VA
34.2 K4DUR Gretna
K4DUR BM
 441.0500 in 447.0500 CC1 DMR BrandMeister 3151825 — Gretna va, VA
34.6 K4EG Burlington
K4EG
 443.6000 +5 TSQL 123.0 FM (analog) — Burlington, NC
34.6 N2TEK
Listed as N2TEK-MVILLE
 Martinsville Che
N2TEK K4USD
 441.8500 +5 CC15 DMR BrandMeister 315138 K4USD — Martinsville, VA
35.6 KZ4BZ Rougemont
KZ4BZ BM
 433.0100 +5 CC1 DMR BrandMeister 320955301 — Rougemont, NC
36.1 KK4MEI Offline Graham
KK4MEI
 440.5750 +5 none P25 — Graham, NC
36.2 KQ4YTL gibsonville
KQ4YTL BM
 439.0000 -5 CC1 DMR BrandMeister 3221352 — gibsonville, NC
36.2 W4RPS Ridgeway Chestnu
W4RPS
 444.4250 +5 TONE 107.2 FM (analog) — Ridgeway, VA
36.3 N4HRS Martinsville Che
N4HRS DMRVA
 444.8750 +5 CC9 DMR DMRVA N4HRS — Martinsville, VA
36.3 K4MVA Martinsville Che
K4MVA
 147.1200 +0.6 TONE 107.2 FM (analog) — Martinsville, VA
36.4 K4MVA Martinsville Che
K4MVA
 147.2850 +0.6 TONE 107.2 FM (analog) — Martinsville, VA
36.6 AK4EG Burlington
AK4EG
 1284.4000 -20 none D-STAR — Burlington, NC
37.2 K5SQL Mebane 27302
K5SQL BM
 438.8000 +5 CC1 DMR BrandMeister 320273101 — Mebane, 27302, NC
37.8 N8VNR Hillsborough
N8VNR AllStar
 441.0750 simplex CC3 DMR AllStar 47201 — Hillsborough, NC
38.7 KK4TJH Durham
KK4TJH BM
 438.3000 -5 CC1 DMR BrandMeister 312258304 — Durham, NC
38.9 KB4WGA Durham Northern
KB4WGA
 146.9850 -0.6 TSQL 94.8 FM (analog) — Durham, Northern High School, Durham county, NC
39.3 N7RYN Mebane
N7RYN IRLP
 434.5500 simplex none FM (analog) IRLP 8007 — Mebane, NC
39.4 K4EG Swepsonville
K4EG
 146.6700 -0.6 none FM (analog) — Swepsonville, NC
40.1 W4GG Greensboro Brown
W4GG PRN
 444.2250 +5 CC1 DMR PRN — Greensboro, NC
40.1 N2DMR Greensboro
N2DMR AllStar
 146.7600 -0.6 TSQL 156.7 FM (analog) AllStar 580490 — Greensboro, NC
41.0 W4BAD Oxford
W4BAD BM
 444.6000 +5 CC1 DMR BrandMeister 314992 — Oxford, NC
41.3 K4QED Efland
K4QED BM
 443.0000 +5 CC3 DMR BrandMeister 3105346 — Efland, NC
41.3 KG6K Durham
KG6K BM
 444.7125 +5 CC8 DMR BrandMeister 3197868 BrandMeister 319786801 — Durham, NC
41.7 WA4IZG Butner Granville
WA4IZG
 146.9400 -0.6 TSQL 100.0 FM (analog) — Butner, Granville county, NC
41.7 KC4WDI Butner Granville
KC4WDI
 443.2000 +5 TSQL 100.0 FM (analog) — Butner, Granville county, NC
41.8 NO4EL Oxford Granville
NO4EL
 444.6000 +5 TSQL 100.0 FM (analog) — Oxford, Granville county, NC
41.9 KC4WDI Butner
KC4WDI EchoLink
 146.9400 -0.6 TONE 100.0 FM (analog) EchoLink 215360 — Butner, NC
41.9 W4BAD
Listed as W4BAD OXFORD VHF
 Oxford
W4BAD AllStar
 145.1700 -0.6 TONE 100.0 FM (analog) (DMR,FM) AllStar 52523 EchoLink 1908 BrandMeister 315088 — Oxford, NC
42.1 W4RPS Bassett
W4RPS
 145.1700 -0.6 TONE 107.2 FM (analog) — Bassett, VA
42.1 W4RPS Bassett
W4RPS
 224.2000 -1.6 TONE 107.2 FM (analog) — Bassett, VA
42.1 W4RPS Bassett
W4RPS
 442.2250 +5 TONE 107.2 FM (analog) — Bassett, VA
42.1 W4RPS Bassett
W4RPS
 443.8250 +5 TONE 107.2 FM (analog) — Bassett, VA
43.9 KD4DNY Offline Summerfield
KD4DNY
 444.4750 +5 TONE 88.5 FM (analog) — Summerfield, NC
44.5 KB4WGA Durham Camden
KB4WGA
 444.9250 +5 TSQL 94.8 FM (analog) — Durham, Camden Ave City-County Tower, Durham county, NC
44.5 K4JDR Durham Camden
K4JDR AllStar
 444.9250 +5 TSQL 94.8 FM (analog) AllStar 42235 — Durham, NC
44.6 WB4EOT Rocky Mount
WB4EOT AllStar
 442.6750 +5 TSQL 107.2 FM (analog) AllStar 505361 — Rocky Mount, VA
44.7 W4BAD
Listed as W4BAD GORMAN
 GORMAN
W4BAD BM
 444.7875 +5 CC1 DMR BrandMeister 315078 — GORMAN, NC
44.8 AK4EG Burlington
AK4EG
 145.3200 -0.6 none D-STAR — Burlington, NC
44.8 AK4EG Burlington
AK4EG
 444.8875 +5 none D-STAR — Burlington, NC
44.8 K4JDR Snow Camp CC Mtn
K4JDR AllStar
 443.4500 +5 TSQL 100.0 FM (analog) AllStar 42235 EchoLink 42704 IRLP 4270 — Snow Camp, NC
44.9 W4BAD Durham NM Life
W4BAD WIRES-X
 147.3600 +0.6 CC1 DMR WIRES-X 43073 BrandMeister 310152 — Durham, NC
45.0 WB4EOT Offline Rocky Mount Thor
WB4EOT DMRVA
 145.0800 in 146.4800 CC1 DMR DMRVA — Rocky Mount, VA
45.0 W4BAD Durham
W4BAD BM
 440.5750 +5 CC1 DMR BrandMeister 313769 — Durham, NC
45.0 NS4F Durham Co
NS4F
 147.3600 +0.6 TSQL 136.5 FM (analog) — Durham, Durham county, NC
45.1 W4GSO Greensboro
W4GSO BM
 442.8625 +5 none D-STAR (C4FM,DMR,DV) BrandMeister 310065 — Greensboro, NC
45.2 N4MEC Creedmoor
N4MEC
 146.9850 -0.6 TSQL 100.0 FM (analog) — Creedmoor, NC
45.3 KC4WDI Durham
KC4WDI
 444.1750 +5 TONE 77.0 FM (analog) — Durham, NC
45.3 W4BAD Durham
W4BAD EchoLink
 145.3700 -0.6 TONE 100.0 FM (analog) (C4FM,FM) EchoLink 1908 WIRES-X 43073 — Durham, NC
45.4 WR4BEG Offline Greensboro
WR4BEG
 53.3500 -1 TSQL 100.0 FM (analog) — Greensboro, NC
45.7 N4DUB Greensboro Guilf
N4DUB
 441.8625 +5 CC11 DMR — Greensboro, Guilford county, NC
45.7 W4ADC Greensboro
W4ADC BM
 442.3875 +5 CC7 DMR BrandMeister 312282 — Greensboro, NC
45.7 NC4RA Greensboro
NC4RA NC-PRN
 442.8875 +5 CC1 DMR NC-PRN — Greensboro, NC
46.3 K4JDR Henderson
K4JDR AllStar
 444.3750 +5 TSQL 100.0 FM (analog) AllStar 42235 EchoLink 42704 IRLP 4270 — Henderson, NC
47.3 K2SBM Greensboro
K2SBM BM
 443.0500 +5 CC1 DMR BrandMeister 321625502 — Greensboro, NC
47.5 KR4RDU Chapel Hill
KR4RDU
 442.5375 +5 none D-STAR — Chapel Hill, NC
48.0 N4SJW Offline Chapel Hill
N4SJW
 146.6100 -0.6 CC? DMR — Chapel Hill, NC
49.9 KB4WGA Henderson S of
KB4WGA
 444.3750 +5 TSQL 100.0 FM (analog) — Henderson, South of Kerr Lake, Vance county, NC
50.0 N2DMR Offline Greensboro Arpt
N2DMR
 444.9750 +5 TSQL 107.2 FM (analog) — Greensboro, NC