N9TPB FCC License Search
🕒 FCC license data updated yesterday 7:16 am CDT (FCC files through Oct 7, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

W4DMC HAM

General class licensed since 2007 (19 yrs) W4DMC since 2012 · previously KC2SJD Columbia, SC Grid EM93pv 64 repeaters within 50 mi
🔒 Not available — currently licensed, through Jul 28, 2032. If it isn't renewed, it opens for vanity requests Jul 29, 2034.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

📝 W4DMC has filed vanity applications before — latest filed Jul 9, 2012 · what was requested

Currently held by DAVID M CHOJNACKI · 2 holders on record

Current holder: DAVID M CHOJNACKI

Held W4DMC Jul 27, 2012 → present · first licensed Oct 22, 2007 as KC2SJD · 2 licenses · FRN 0017048844

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

Previous holder: Daniel T McConaughy

Held W4DMC Jul 8, 2000 → Jul 8, 2010 · first licensed Jan 8, 1998 as K4KOA · 2 licenses · FRN 0003103553

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.
W4DMC in the Printed Callbooks, 1909–1997
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.

Vanity Applications Filed by W4DMC

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 Jul 9, 2012
Granted Jul 28, 2022
0005299902
 KC2SJD · DAVID M CHOJNACKI · General
Attn: David Chojnacki · 1901 B Morninglo Lane, Columbia, SC 29223
34.0926, -80.9193 (ZIP center) · Grid EM94mc · CQ 5 · ITU 8 · map ↗
1.W4DMC ✓ Granted
 Granted
got W4DMC

Others Requesting W4DMC

4 applications listed W4DMC as a choice, newest first.

FiledAwardApplicantChoice #W4DMCResult
Jul 9, 2012 Jul 27, 2012 KC2SJD · DAVID M CHOJNACKI · Columbia, SC 1Granted Granted this call
Aug 30, 2011 Sep 17, 2011 KJ4RVV · DAVID M CASSTEVENS · SHALIMAR, FL 13Not granted They got K1DMC (choice 1)
Mar 28, 2011 Apr 15, 2011 KK4BCZ · DOUGLAS M CHRISSMAN · WINSTON SALEM, NC 1Not granted They got N4DMC (choice 3)
Jun 8, 2000 Jun 26, 2000 K4KOA · DANIEL T McConaughy · MANCHESTER, TN 1Granted Granted this call

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for W4DMC in the last 24 hours. They show up here within seconds of W4DMC beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 Miles

64 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
9.6 W4FTK Wedgefield
W4FTK AllStar
 147.0600 +0.6 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Wedgefield, SC
21.3 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
22.6 W4FTK Sumter
W4FTK AllStar
 443.3000 +5 DCS 315 FM (analog) AllStar 40040 EchoLink 367365 🗓 2 nets 2 nets · 643 check-ins · 265 stations Sumter, SC
26.7 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
45.6 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
45.6 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
19.4 WR4SC Sumter
WR4SC
 147.0150 +0.6 TSQL 156.7 FM (analog) 🗓 2 nets 2 nets · 254 check-ins · 104 stations Sumter, SC
20.4 WR4SC Columbia
WR4SC
 441.7250 +5 TONE 91.5 FM (analog) 🗓 2 nets 2 nets · 254 check-ins · 104 stations Columbia, SC
20.4 WR4SC Columbia
WR4SC NC-PRN
 442.5125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 254 check-ins · 104 stations Columbia, SC
21.2 WR4SC Columbia Capital
WR4SC NC-PRN
 440.6125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 254 check-ins · 104 stations Columbia, SC
23.6 WR4SC Sumter
WR4SC NC-PRN
 442.3125 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 254 check-ins · 104 stations Sumter, SC
26.9 WR4SC Orangeburg
WR4SC
 146.8800 -0.6 TSQL 123.0 FM (analog) 🗓 2 nets 2 nets · 254 check-ins · 104 stations Orangeburg, SC
26.9 WR4SC Orangeburg
WR4SC NC-PRN
 440.5875 +5 CC1 DMR NC-PRN 🗓 2 nets 2 nets · 254 check-ins · 104 stations Orangeburg, SC
26.9 WR4SC Orangeburg
WR4SC
 441.7500 +5 TONE 123.0 FM (analog) 🗓 2 nets 2 nets · 254 check-ins · 104 stations Orangeburg, SC
43.5 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
46.2 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
13.1 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
21.2 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
36.0 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
48.5 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
15.6 KJ4BWK Columbia
KJ4BWK
 442.2000 +5 none D-STAR — Columbia, SC
15.6 KJ4BWK Columbia
KJ4BWK
 1282.2250 +12 none D-STAR — Columbia, SC
16.3 N7GZT Saint Hemlock rd
N7GZT AllStar
 442.7750 +5 TSQL 156.7 FM (analog) AllStar 637120 — Saint Matthews, SC
16.3 W4GL Wedgefield
W4GL
 145.4300 -0.6 TSQL 156.7 FM (analog) — Wedgefield, SC
16.4 W4GL Sumter
W4GL
 441.9500 +5 none D-STAR — Sumter, SC
17.6 KJ4BWK Saint Matthews
KJ4BWK
 145.4000 -0.6 none D-STAR — Saint Matthews, SC
18.1 AD4U Saint Matthews
AD4U
 146.6700 -0.6 TSQL 156.7 FM (analog) — Saint Matthews, SC
18.1 N7GZT Saint Matthews
N7GZT
 53.2100 -1 none FM (analog) — Saint Matthews, SC
18.2 KI4IVP Elgin
KI4IVP WIRES-X
 147.2400 +0.6 TSQL 103.5 FM (analog) (FM,C4FM) WIRES-X 18449 — Elgin, SC
19.4 W4GL Sumter Tuomey
W4GL
 146.6400 -0.6 TONE 156.7 FM (analog) — Sumter, SC
19.4 W4GL Sumter WRJA
W4GL
 444.1500 +5 TSQL 123.0 FM (analog) (FM,DV) — Sumter, SC
20.5 KI4RAX Lugoff
KI4RAX
 146.8200 -0.6 TSQL 91.5 FM (analog) (FM,C4FM) — Lugoff, SC
20.5 KI4RAX Lugoff
KI4RAX
 441.8000 +5 none D-STAR (DV,DMR) — Lugoff, SC
20.8 W4EAE Cayce
W4EAE
 433.1000 +5 CC1 DMR — Cayce, SC
20.8 W4EAE Cayce
W4EAE
 443.1000 +5 none D-STAR (DMR,DV) — Cayce, SC
21.2 K4HI Columbia
K4HI WIRES-X
 147.3600 +0.6 TSQL 100.0 FM (analog) WIRES-X 64927 — Columbia, SC
21.2 K9OH Columbia
K9OH AllStar
 444.8750 +5 TSQL 91.5 FM (analog) AllStar 417861 — Columbia, SC
21.2 N4EOY Offline Columbia
N4EOY
 224.9000 -1.6 none FM (analog) — Columbia, SC
22.8 W4EAE Offline Cayce
W4EAE IRLP
 147.5100 simplex TSQL 131.8 FM (analog) IRLP 8255 — Cayce, SC
23.6 W4GL Sumter
W4GL
 147.0150 +0.6 TSQL 156.7 FM (analog) — Sumter, SC
26.3 W4DZF Columbia St
W4DZF
 145.2700 -0.6 DCS 632 FM (analog) — Columbia, SC
26.8 KJ4QLH Orangeburg /Calh
KJ4QLH
 147.3900 +0.6 TSQL 156.7 FM (analog) — Orangeburg, SC
28.6 KG4GKY Offline West Columbia
KG4GKY IRLP
 446.8750 simplex TSQL 79.7 FM (analog) IRLP 4045 — West Columbia, SC
31.1 KM4ABW Manning Hosp
KM4ABW
 145.1500 -0.6 TSQL 91.5 FM (analog) — Manning, SC
32.7 W4APE Offline Lucknow
W4APE EchoLink
 146.9250 -0.6 TONE 123.0 FM (analog) EchoLink 779467 — Lucknow, SC
35.0 N7GZT Vance
N7GZT AllStar
 442.2000 +5 DCS 023 FM (analog) AllStar 637122 AllStar 637121 — Vance, SC
35.6 KJ4QLH Neeses
KJ4QLH
 147.0900 +0.6 TONE 156.7 FM (analog) — Neeses, SC
36.3 KJ4QLH Vance
KJ4QLH
 146.8050 -0.6 TSQL 156.7 FM (analog) — Vance, SC
38.1 KA4GDW Bowman
KA4GDW
 224.7800 -1.6 TSQL 179.9 FM (analog) — Bowman, SC
38.9 KA4GDW Bowman
KA4GDW
 146.8350 -0.6 TSQL 179.9 FM (analog) — Bowman, SC
41.7 no call listed Florence
AllStar
 29.6000 simplex CC0 DMR AllStar 29419 EchoLink 41809 AllStar 49643 — Florence, SC
41.7 KA3KDL Hartsville
KA3KDL AllStar
 146.6250 -0.6 TSQL 114.8 FM (analog) AllStar 29419 EchoLink 41809 — Hartsville, SC
42.0 N5CWH Gilbert
N5CWH
 146.6550 -0.6 TSQL 156.7 FM (analog) — Gilbert, SC
42.0 KC4GYM Gilbert
KC4GYM IRLP
 224.5600 -1.6 TSQL 162.2 FM (analog) IRLP 4109 — Gilbert, SC
44.6 W4ULH Hartsville Carol
W4ULH
 442.3500 +5 TONE 162.2 FM (analog) — Hartsville, SC
45.9 W4APE Greeleyville
W4APE EchoLink
 145.2300 -0.6 TONE 123.0 FM (analog) EchoLink 779467 — Greeleyville, SC
46.2 N4UHF Little Mountain
N4UHF
 444.6500 +5 CC0 DMR — Little Mountain, SC
47.2 WB4TGK Bamberg
WB4TGK
 145.3300 -0.6 TONE 156.7 FM (analog) — Bamberg, SC
47.5 W4APE Greeleyville
W4APE
 444.7500 +5 TSQL 123.0 FM (analog) — Greeleyville, SC
47.8 KG4UAL Leesville
KG4UAL AllStar
 444.4000 +5 DCS 315 FM (analog) AllStar 558721 — Leesville, SC
48.2 KQ4MVG Timmonsville
KQ4MVG
 147.3150 +0.6 TSQL 77.0 FM (analog) — Timmonsville, SC
49.1 WD4KFD Florence I-95/Rt
WD4KFD
 442.5250 +5 TONE 210.7 FM (analog) — Florence, SC
49.4 KQ4MKW Darlington S Ca
KQ4MKW BM
 445.5125 -5 CC1 DMR BrandMeister 321045702 — Darlington, South Ca, SC
49.6 K4LMD Branchville
K4LMD
 145.2100 -0.6 TSQL 100.0 FM (analog) — Branchville, SC