N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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, WIDAVID M CHOJNACKI
FRN 0017048844 · first licensed Oct 22, 2007 as KC2SJD · 2 licenses on record
📝 FCC applications (10)
| Received | File number | Service | Purpose | Status | Call |
|---|---|---|---|---|---|
| Jul 27, 2022 | 0010143917 | HAM | Renewal | Granted | W4DMC |
| Jul 8, 2015 | 0006867153 | HAM | Administrative update | Granted | W4DMC |
| Apr 1, 2014 | 0006223959 | HAM | Duplicate license | Granted | W4DMC |
| Jul 15, 2013 | 0005857478 | HAM | Duplicate license | Granted | W4DMC |
| Jul 9, 2012 | 0005299902 | HAM | Modification | Granted | KC2SJD |
| Apr 2, 2012 | 0005146919 | HAM | Administrative update | Granted | KC2SJD |
| Oct 5, 2011 | 0004902506 | HAM | Modification | Granted | KC2SJD |
| Sep 9, 2011 | 0004869389 | HAM | Administrative update | Granted | KC2SJD |
| Apr 7, 2010 | 0004202638 | HAM | Duplicate license | Granted | KC2SJD |
| Oct 22, 2007 | 0003205550 | HAM | New license | Granted | KC2SJD |
Complete licensing history
-
- Licensee
- DAVID M CHOJNACKI
- Address
- Attn: David Chojnacki
3280 McCords Ferry Rd
Columbia, SC 29044
- FRN
- 0017048844
- Previous call
- KC2SJD (Technician)
- Last granted
- Jul 28, 2022
- Effective
- Jul 28, 2022
- Last action
- Jul 28, 2022
FCC actions (4)
- Jul 28, 2022 — License renewed LIREN
- Jul 9, 2015 — Administrative update LIAUA
- Jul 27, 2012 — Vanity call sign granted VANGRT
- Jul 27, 2012 — License issued LIISS
-
- Licensee
- DAVID M CHOJNACKI
- Address
- Attn: David Chojnacki
1901 B Morninglo Lane
Columbia, SC 29223
- FRN
- 0017048844
- Last granted
- Oct 22, 2007
- Effective
- Apr 3, 2012
- Last action
- Jul 27, 2012
FCC actions (5)
- Jul 27, 2012 — License canceled LICAN
- Apr 3, 2012 — Administrative update LIAUA
- Oct 5, 2011 — License modified LIMOD
- Oct 22, 2007 — License issued LIISS
- Oct 22, 2007 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Aug 2, 2015 → Oct 4, 2026 · 33 snapshots · as W4DMC
DAVID M CHOJNACKI
Attn: David Chojnacki
3280 McCords Ferry Rd, Columbia, SC 29044 - Seen May 28, 2012 → Oct 4, 2026 · 53 snapshots · as KC2SJD
DAVID M CHOJNACKI
Attn: David Chojnacki
1901 B Morninglo Lane, Columbia, SC 29223 - Seen Oct 17, 2011 → Nov 10, 2011 · 2 snapshots · as KC2SJD
DAVID M CHOJNACKI
1224 CANDLEWOOD DR, HOPKINS, SC 29061 - Seen May 27, 2010 · 1 snapshot · as KC2SJD
David M Chojnacki
1821 Hopkins Rd, Getzville, NY 14068
Repeaters within 50 miles
64 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)
| Miles | Call | Name | Output | Offset | Tone | Mode | Networks | Activity | Location |
|---|---|---|---|---|---|---|---|---|---|
| 9.6 | 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 |
| 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 |
| 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 | |
| 19.4 | WR4SC | Sumter WR4SC |
147.0150 | +0.6 | TSQL 156.7 | FM (analog) | 🗓 2 nets | 2 nets · 207 check-ins · 97 stations | Sumter, SC |
| 20.4 | WR4SC | Columbia WR4SC |
441.7250 | +5 | TONE 91.5 | FM (analog) | 🗓 2 nets | 2 nets · 207 check-ins · 97 stations | Columbia, SC |
| 20.4 | WR4SC | Columbia WR4SC NC-PRN |
442.5125 | +5 | CC1 | DMR | NC-PRN 🗓 2 nets | 2 nets · 207 check-ins · 97 stations | Columbia, 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 | 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 |
| 21.2 | K4HI | Columbia K4HI WIRES-X |
147.3600 | +0.6 | TSQL 100.0 | FM (analog) | WIRES-X 64927 | — | Columbia, SC |
| 21.2 | WR4SC | Columbia Capital WR4SC NC-PRN |
440.6125 | +5 | CC1 | DMR | NC-PRN 🗓 2 nets | 2 nets · 207 check-ins · 97 stations | Columbia, SC |
| 21.2 | K9OH | Columbia K9OH AllStar |
444.8750 | +5 | TSQL 91.5 | FM (analog) | AllStar 417861 | — | Columbia, SC |
| 21.3 | 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 |
| 22.6 | 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 |
| 23.6 | W4GL | Sumter W4GL |
147.0150 | +0.6 | TSQL 156.7 | FM (analog) | — | Sumter, SC | |
| 23.6 | WR4SC | Sumter WR4SC NC-PRN |
442.3125 | +5 | CC1 | DMR | NC-PRN 🗓 2 nets | 2 nets · 207 check-ins · 97 stations | Sumter, SC |
| 26.3 | W4DZF | Columbia St W4DZF |
145.2700 | -0.6 | DCS 632 | FM (analog) | — | Columbia, SC | |
| 26.7 | 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 |
| 26.8 | KJ4QLH | Orangeburg /Calh KJ4QLH |
147.3900 | +0.6 | TSQL 156.7 | FM (analog) | — | Orangeburg, SC | |
| 26.9 | WR4SC | Orangeburg WR4SC |
146.8800 | -0.6 | TSQL 123.0 | FM (analog) | 🗓 2 nets | 2 nets · 207 check-ins · 97 stations | Orangeburg, SC |
| 26.9 | WR4SC | Orangeburg WR4SC NC-PRN |
440.5875 | +5 | CC1 | DMR | NC-PRN 🗓 2 nets | 2 nets · 207 check-ins · 97 stations | Orangeburg, SC |
| 26.9 | WR4SC | Orangeburg WR4SC |
441.7500 | +5 | TONE 123.0 | FM (analog) | 🗓 2 nets | 2 nets · 207 check-ins · 97 stations | Orangeburg, SC |
| 31.1 | KM4ABW | Manning Hosp KM4ABW |
145.1500 | -0.6 | TSQL 91.5 | FM (analog) | — | Manning, 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 | |
| 36.0 | 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 |
| 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 |
| 43.5 | 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 |
| 44.6 | W4ULH | Hartsville Carol W4ULH |
442.3500 | +5 | TONE 162.2 | FM (analog) | — | Hartsville, SC | |
| 45.6 | 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 |
| 45.6 | 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 |
| 45.9 | W4APE | Greeleyville W4APE EchoLink |
145.2300 | -0.6 | TONE 123.0 | FM (analog) | EchoLink 779467 | — | Greeleyville, SC |
| 46.2 | 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 |
| 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 | |
| 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 |
| 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 | |
| 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 |
| 28.6 | KG4GKY offline | West Columbia KG4GKY IRLP |
446.8750 | simplex | TSQL 79.7 | FM (analog) | IRLP 4045 | — | West Columbia, SC |
| 32.7 | W4APE offline | Lucknow W4APE EchoLink |
146.9250 | -0.6 | TONE 123.0 | FM (analog) | EchoLink 779467 | — | Lucknow, SC |
Vanity applications
| Filed · Award | Applicant | Requested (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
|
Granted
got W4DMC
|