N9TPB FCC License Search
🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 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

N4MU HAM

🔒 Not available — currently licensed, through Dec 23, 2030. If it isn't renewed, it opens for vanity requests Dec 24, 2032.

📬 QSL: LoTW user, last upload Mar 6, 2026 · eQSL AG member

📝 N4MU has filed vanity applications before — latest filed Dec 5, 2000 · what was requested

Currently held by WILLIAM HOWARD · 2 holders on record

Current holder: WILLIAM HOWARD

Held N4MU Dec 23, 2000 → present · first licensed Jan 23, 1996 as AB7OK · 2 licenses · FRN 0004093001

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

Previous holder: CRAIG G NILSEN

Held N4MU → Dec 9, 1998 · first licensed as N4MU · 5 licenses · FRN 0003535168

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

Vanity applications filed by N4MU

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · AwardApplicantRequested (in order)Status
Filed Dec 5, 2000
Granted Oct 7, 2020
0000283166
 AB7OK · WILLIAM HOWARD · Amateur Extra
635 Queens Drive, Nampa, ID 83687
43.6100, -116.5291 (ZIP center) · Grid DN13ro · CQ 3 · ITU 6 · map ↗
1.N4MU ✓ granted
 Granted
got N4MU

Others requesting N4MU

11 applications listed N4MU as a choice, newest first.

FiledAwardApplicantChoice #Status
Jan 10, 2011 Jan 28, 2011 KQ4BX · Joseph Massimino · Jensen Beach, FL 5Dismissed
Dec 26, 2000 Jan 13, 2001 KF4PTB · GERALD L NOLAN · GREENBRIER, TN 16Granted
Dec 19, 2000 Jan 6, 2001 N4EEE · MAHLON R HAUNSCHILD · NICEVILLE, FL 2Granted
Dec 18, 2000 Jan 5, 2001 KF4TVU · PETER L HENDRICK · PORT SAINT LUCIE, FL 2Granted
Dec 11, 2000 Dec 29, 2000 N5IMH · JIMMIE R FOUTS · MACON, GA 1Granted
Dec 5, 2000 Dec 23, 2000 AB7OK · WILLIAM HOWARD · Nampa, ID 1Granted
Nov 28, 2000 Dec 16, 2000 N4PQV · ROBERT W HARRIS · MURFREESBORO, TN 2Granted
May 31, 2000 Jun 18, 2000 WB8HSU · RON MARSHALL · ALTAMONTE SPRINGS, FL 6Dismissed
Aug 9, 1999 Aug 27, 1999 KD4XJ · RONALD E WATSON · CLEVELAND, TN 24Dismissed
Aug 5, 1999 Aug 23, 1999 WA4OFS · HARRY CONOWAL · ST. CLOUD, FL 10Dismissed
Aug 4, 1999 Aug 22, 1999 WQ2U · JAMES H MURRAY · BEALETON, VA 4Dismissed

📡 On the air: APRS, digital & WSPR spots

📤 Heard by others PSK Reporter

Heard by 6 stations (8 reports) · last 3 min ago · CW · grid EM94oe
40m · 6
Farthest: KD7EFG, 1,781 miles on 40m CW (23 dB)
PSK Reporter map →

Repeaters within 50 miles

75 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
3.0 KI4IVP Elgin
KI4IVP WIRES-X
 147.2400 +0.6 TSQL 103.5 FM (analog) (FM,C4FM) WIRES-X 18449 — Elgin, SC
4.5 KI4RAX Lugoff
KI4RAX
 146.8200 -0.6 TSQL 91.5 FM (analog) (FM,C4FM) — Lugoff, SC
4.5 KI4RAX Lugoff
KI4RAX
 441.8000 +5 none D-STAR (DV,DMR) — Lugoff, SC
9.5 W4CAE Fort Jackson
W4CAE
 146.7750 -0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 65 check-ins · 31 stations Fort Jackson, SC
11.0 WR4SC Columbia
WR4SC NC-PRN
 442.5125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Columbia, SC
11.0 WR4SC Columbia
WR4SC
 441.7250 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Columbia, SC
12.5 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
12.7 KJ4BWK Columbia
KJ4BWK
 442.2000 +5 none D-STAR — Columbia, SC
12.7 KJ4BWK Columbia
KJ4BWK
 1282.2250 +12 none D-STAR — Columbia, SC
19.8 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
20.0 W4CAE Columbia
W4CAE AllStar
 147.3300 +0.6 TSQL 156.7 FM (analog) AllStar 494460 🗓 2 nets 2 nets · 65 check-ins · 31 stations Columbia, SC
20.0 K4HI Columbia
K4HI WIRES-X
 147.3600 +0.6 TSQL 100.0 FM (analog) WIRES-X 64927 — Columbia, SC
20.0 WR4SC Columbia Capital
WR4SC NC-PRN
 440.6125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Columbia, SC
20.0 K9OH Columbia
K9OH AllStar
 444.8750 +5 TSQL 91.5 FM (analog) AllStar 417861 — Columbia, SC
21.5 W4DZF Columbia St
W4DZF
 145.2700 -0.6 DCS 632 FM (analog) — Columbia, SC
22.5 W4EAE Cayce
W4EAE
 433.1000 +5 CC1 DMR — Cayce, SC
22.5 W4EAE Cayce
W4EAE
 443.1000 +5 none D-STAR (DMR,DV) — Cayce, SC
25.3 W4GL Wedgefield
W4GL
 145.4300 -0.6 TSQL 156.7 FM (analog) — Wedgefield, SC
26.0 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
26.6 W4GL Sumter
W4GL
 441.9500 +5 none D-STAR — Sumter, SC
29.9 WR4SC Sumter
WR4SC
 147.0150 +0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Sumter, SC
29.9 W4GL Sumter Tuomey
W4GL
 146.6400 -0.6 TONE 156.7 FM (analog) — Sumter, SC
29.9 W4GL Sumter WRJA
W4GL
 444.1500 +5 TSQL 123.0 FM (analog) (FM,DV) — Sumter, SC
33.2 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
34.1 K4LLE Lexington S
K4LLE
 147.0000 +0.6 TSQL 123.0 FM (analog) (FM,P25) 🗓 2 nets 2 nets · 70 check-ins · 30 stations Lexington, SC
34.2 N7GZT Saint Hemlock rd
N7GZT AllStar
 442.7750 +5 TSQL 156.7 FM (analog) AllStar 637120 — Saint Matthews, SC
34.4 KJ4BWK Saint Matthews
KJ4BWK
 145.4000 -0.6 none D-STAR — Saint Matthews, SC
34.5 WR4SC Little Mountain
WR4SC NC-PRN
 443.5375 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Little Mountain, SC
34.8 W4GL Sumter
W4GL
 147.0150 +0.6 TSQL 156.7 FM (analog) — Sumter, SC
34.8 WR4SC Sumter
WR4SC NC-PRN
 442.3125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Sumter, SC
35.6 AD4U Saint Matthews
AD4U
 146.6700 -0.6 TSQL 156.7 FM (analog) — Saint Matthews, SC
35.6 N7GZT Saint Matthews
N7GZT
 53.2100 -1 none FM (analog) — Saint Matthews, SC
36.9 W4FTK Little Mountain
W4FTK AllStar
 146.6250 -0.6 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Little Mountain, SC
36.9 W4FTK Little Mt
W4FTK AllStar
 443.8750 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Little Mt, SC
37.3 KC4IRA Lancaster Medica
KC4IRA AllStar
 444.6250 +5 Fusion (C4FM) AllStar 565231 — Lancaster, SC
37.3 WR4SC Little Mountain
WR4SC
 147.2100 +0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Little Mountain, SC
37.3 N4UHF Little Mountain
N4UHF
 444.6500 +5 CC0 DMR — Little Mountain, SC
37.4 W4PAX Lancaster
W4PAX
 146.7000 -0.6 TSQL 123.0 FM (analog) — Lancaster, SC
37.4 W4PAX Lancaster
W4PAX
 444.1000 +5 TONE 192.8 FM (analog) — Lancaster, SC
37.8 no call listed Florence
AllStar
 29.6000 simplex CC0 DMR AllStar 29419 EchoLink 41809 AllStar 49643 — Florence, SC
37.8 KA3KDL Hartsville
KA3KDL AllStar
 146.6250 -0.6 TSQL 114.8 FM (analog) AllStar 29419 EchoLink 41809 — Hartsville, SC
38.2 W4PSC Leslie
W4PSC
 444.7250 +5 DCS 156 FM (analog) 🗓 1 net 1 net · 15 check-ins · 8 stations Leslie, SC
39.2 W4ULH Hartsville Carol
W4ULH
 442.3500 +5 TONE 162.2 FM (analog) — Hartsville, SC
39.9 W4FTK Richburg
W4FTK AllStar
 146.7600 -0.6 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Richburg, SC
40.6 KQ4NOR Glymphville
KQ4NOR AllStar
 146.9550 simplex TONE 186.2 FM (analog) AllStar 66357 — Glymphville, SC
42.5 KW4BET Chester Near
KW4BET XLX056
 442.4750 +5 DCS 023 FM (analog) (DMR,FM) AllStar 474346 EchoLink 442475 IRLP 7609 WIRES-X 46034 WIRES-X 36034 AllStar 474345 XLX056 🗓 1 net 1 net Chester, SC
42.5 W4CHR Chester Near
W4CHR AllStar
 145.3100 -0.6 DCS 145 FM (analog) AllStar 530447 EchoLink 307645 — Chester, SC
42.8 N5CWH Gilbert
N5CWH
 146.6550 -0.6 TSQL 156.7 FM (analog) — Gilbert, SC
42.8 KC4GYM Gilbert
KC4GYM IRLP
 224.5600 -1.6 TSQL 162.2 FM (analog) IRLP 4109 — Gilbert, SC
43.9 W4APE Pageland
W4APE EchoLink
 146.8950 -0.6 TONE 123.0 FM (analog) EchoLink 779467 — Pageland, SC
43.9 KJ4QLH Orangeburg /Calh
KJ4QLH
 147.3900 +0.6 TSQL 156.7 FM (analog) — Orangeburg, SC
44.1 WR4SC Orangeburg
WR4SC
 146.8800 -0.6 TSQL 123.0 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Orangeburg, SC
44.1 WR4SC Orangeburg
WR4SC NC-PRN
 440.5875 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Orangeburg, SC
44.1 WR4SC Orangeburg
WR4SC
 441.7500 +5 TONE 123.0 FM (analog) 🗓 2 nets 2 nets · 207 check-ins · 97 stations Orangeburg, SC
44.6 WR4SC Chester
WR4SC
 440.5750 +5 CC1 DMR 🗓 2 nets 2 nets · 207 check-ins · 97 stations Chester SC, SC
45.9 KW4BET Chester
KW4BET AllStar
 445.9375 simplex TONE 67.0 FM (analog) AllStar 474340 — Chester, SC
45.9 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 Chester, SC
45.9 KW4BET Chester
KW4BET IRLP
 446.0250 simplex TSQL 77.0 FM (analog) IRLP 4481 — Chester, SC
45.9 KW4BET Lewis
KW4BET AllStar
 146.5350 simplex TONE 77.0 FM (analog) AllStar 474349 — Lewis, SC
45.9 KW4BET Lewis
KW4BET AllStar
 442.1750 +5 none FM (analog) AllStar 530449 — Lewis SC, SC
46.1 W4FTK Pageland
W4FTK AllStar
 441.8250 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 540 check-ins · 248 stations Pageland, SC
46.3 KM4ABW Manning Hosp
KM4ABW
 145.1500 -0.6 TSQL 91.5 FM (analog) — Manning, SC
46.7 KG4UAL Leesville
KG4UAL AllStar
 444.4000 +5 DCS 315 FM (analog) AllStar 558721 — Leesville, SC
47.3 K4WBT Waxhaw JAARS Ctr
K4WBT
 444.5250 +5 TONE 94.8 FM (analog) — Waxhaw, NC
47.4 K4WBT Waxhaw
K4WBT EchoLink
 146.8650 +0.6 TONE 94.8 FM (analog) (C4FM,FM) EchoLink 84335 — Waxhaw, NC
47.5 W4RRC Leesville
W4RRC AllStar
 147.2550 +0.6 TONE 123.0 FM (analog) AllStar 50790 — Leesville, SC
48.0 K4YTZ Rock Hill
K4YTZ AllStar
 147.0300 -0.6 TSQL 88.5 FM (analog) AllStar 54226 EchoLink 418325 — Rock Hill, SC
48.0 WR4SC Rock Hill
WR4SC NC-PRN
 440.5125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 207 check-ins · 97 stations Rock Hill, SC
49.1 KJ4QLH Neeses
KJ4QLH
 147.0900 +0.6 TONE 156.7 FM (analog) — Neeses, SC
49.6 KQ4MKW Darlington S Ca
KQ4MKW BM
 445.5125 -5 CC1 DMR BrandMeister 321045702 — Darlington, South Ca, SC
20.0 N4EOY offline Columbia
N4EOY
 224.9000 -1.6 none FM (analog) — Columbia, SC
23.3 W4EAE offline Cayce
W4EAE IRLP
 147.5100 simplex TSQL 131.8 FM (analog) IRLP 8255 — Cayce, SC
25.4 W4APE offline Lucknow
W4APE EchoLink
 146.9250 -0.6 TONE 123.0 FM (analog) EchoLink 779467 — Lucknow, SC
29.3 KG4GKY offline West Columbia
KG4GKY IRLP
 446.8750 simplex TSQL 79.7 FM (analog) IRLP 4045 — West Columbia, SC
43.9 W4JMY offline Pageland
W4JMY
 53.3700 -1 TONE 100.0 FM (analog) — Pageland, SC