N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 8:30 am CDT
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HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKC3QNJ HAM
General class
licensed since 2020 (6 yrs)
Lexington Park, MD
grid FM18sh
active on 2 nets
94 repeaters within 50 mi
🔒 Not available — currently licensed, through Nov 18, 2030. If it isn't renewed, it opens for vanity requests Nov 19, 2032.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Currently held by Donald L Zwick · 1 holder on record
🗓 Active on 2 nets · last heard Sep 27, 2026
Current holder: Donald L Zwick
Held KC3QNJ Nov 18, 2020 → present · first licensed Nov 18, 2020 as KC3QNJ · 1 license · FRN 0030142137
-
- Licensee
- Donald L Zwick
- Address
- 23319 Patuxent View Rd
Lexington Park, MD 20653
- FRN
- 0030142137
- Last granted
- Nov 18, 2020
- Effective
- Nov 18, 2020
- Last action
- Nov 18, 2020
FCC actions (2)
- Nov 18, 2020 — License issued LIISS
- Nov 18, 2020 — 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 Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KC3QNJ
Donald L Zwick
23319 Patuxent View Rd, Lexington Park, MD 20653
Nets
| Net | When | Frequency | Role | Times | Last |
|---|---|---|---|---|---|
| Lower Potomac Net | Sun 8:00 PM ET | 146.64 | Checked in | 2 | 2026-09-27 |
| Weekly STMA ARES Net | Mon 6:30 PM · Mon 7:00 PM ET | 146.640 | Checked in | 1 | 2026-09-14 |
From nets logged with NetLogger since the start of collection.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KC3QNJ in the last 24 hours. They show up here within seconds of KC3QNJ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Repeaters within 50 miles
94 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 |
|---|---|---|---|---|---|---|---|---|---|
| 2.3 | KB2SKP | Lexington Park KB2SKP WIRES-X |
445.2500 | -5 | DG-ID 00-00 | Fusion (C4FM) | WIRES-X 74906 | — | Lexington Park, MD |
| 2.5 | K3GGM | Hollywood K3GGM BM |
446.5000 | -5 | CC1 | DMR | BrandMeister 3211901 | — | Hollywood, MD |
| 3.2 | W1JD | Mechanicsville W1JD BM |
439.8750 | -5 | CC8 | DMR | BrandMeister 3124132 | — | Mechanicsville, MD |
| 5.4 | K3CAL | Lusby Appeal K3CAL EchoLink |
444.9500 | +5 | TSQL 156.7 | FM (analog) (FM,C4FM) | EchoLink 389207 🗓 1 net | 1 net | Lusby, MD |
| 6.2 | N3PPH | Hollywood Fire N3PPH |
145.3500 | -0.6 | TONE 156.7 | FM (analog) | — | Hollywood, MD | |
| 6.4 | W3BPT | Hollywood W3BPT Interstate |
146.8500 | -0.6 | CC1 | DMR | Interstate-3 | — | Hollywood, MD |
| 7.6 | KC3FOQ | Leonardtown Fair KC3FOQ |
443.3000 | +5 | TONE 123.0 | FM (analog) (FM,C4FM) | 🗓 2 nets | 2 nets · 13 check-ins · 10 stations | Leonardtown, MD |
| 7.6 | KC3FOQ | Leonardtown Fair KC3FOQ |
147.3900 | +0.6 | TONE 146.2 | FM (analog) (FM,C4FM) | 🗓 2 nets | 2 nets · 13 check-ins · 10 stations | Leonardtown, MD |
| 8.1 | KB2SKP | Lexington Park KB2SKP BM |
446.0125 | in 433.0125 | CC1 | DMR | BrandMeister 314491901 | — | Lexington Park, MD |
| 8.4 | K3HKI | Lexington Park K3HKI |
146.6400 | -0.6 | TSQL 146.2 | FM (analog) | 🗓 3 nets | 3 nets · 99 check-ins · 44 stations | Lexington Park, MD |
| 10.6 | N3PPH | Mechanicsville N3PPH Interstate |
441.7875 | +5 | CC1 | DMR | Interstate-2 | — | Mechanicsville, MD |
| 16.8 | N3PPH | Prince Frederick N3PPH Interstate |
441.3875 | +5 | CC1 | DMR | Interstate-3 | — | Prince Frederick, MD |
| 16.9 | W3SMD | Barstow W3SMD AllStar |
223.9000 | -1.6 | TONE 186.2 | FM (analog) | AllStar 513100 | — | Barstow, MD |
| 17.0 | N3FI | Barstow N3FI |
443.7000 | +5 | TSQL 179.9 | FM (analog) (FM,C4FM) | — | Barstow, MD | |
| 17.2 | N3KUN | Chaptico N3KUN |
145.2500 | -0.6 | TONE 110.9 | FM (analog) | — | Chaptico, MD | |
| 17.3 | N3PX | Mechanicsville N3PX |
147.1950 | +0.6 | TSQL 156.7 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 12 stations | Mechanicsville, MD |
| 18.6 | W3PQS | Prince Frederick W3PQS |
53.1700 | -1 | TSQL 100.0 | FM (analog) | — | Prince Frederick, MD | |
| 20.1 | K3OCM | Charlotte Hall K3OCM K4USD-Net |
443.1875 | +5 | CC6 | DMR | K4USD-Net | — | Charlotte Hall, MD |
| 21.8 | K6XH | Callao K6XH BM |
443.0875 | +5 | CC1 | DMR | BrandMeister 314364 | — | Callao, VA |
| 22.1 | WG3K | Chesapeake Beach WG3K BM |
444.3500 | +5 | none | D-STAR (DMR,DV) | BrandMeister 312393 | — | Chesapeake Beach, MD |
| 23.5 | N3LHD | Aquasco N3LHD Interstate |
442.4625 | +5 | CC1 | DMR | Interstate-c-Bridge-1 | — | Aquasco, MD |
| 26.1 | KF4AH | Montross KF4AH |
146.8950 | -0.6 | TSQL 110.9 | FM (analog) | — | Montross, VA | |
| 26.1 | N3PPH | Sunderland Mt N3PPH Interstate |
441.6375 | +5 | CC1 | DMR | Interstate-2 | — | Sunderland, MD |
| 26.1 | K3CAL | Sunderland K3CAL EchoLink |
146.9850 | -0.6 | TONE 156.7 | FM (analog) (FM,C4FM) | EchoLink 389207 🗓 1 net | 1 net | Sunderland, MD |
| 27.1 | W4NNK | Heathsville W4NNK |
147.3300 | +0.6 | TONE 100.0 | FM (analog) | — | Heathsville, VA | |
| 29.1 | N3PZZ | Dahlgren Potomac N3PZZ |
145.2500 | -0.6 | TONE 88.5 | FM (analog) | — | Dahlgren, VA | |
| 30.5 | N3PZZ | King George Dahl N3PZZ |
145.3300 | -0.6 | TONE 88.5 | FM (analog) | — | King George, VA | |
| 31.7 | K3EMD | Easton K3EMD WIRES-X |
147.0450 | +0.6 | TSQL 156.7 | FM (analog) | WIRES-X 43142 | — | Easton, MD |
| 33.2 | KC8VFN | King George Locu KC8VFN |
146.7750 | -0.6 | TSQL 110.9 | FM (analog) | — | King George, VA | |
| 33.5 | N3YMS | Trappe N3YMS Interstate |
442.5375 | +5 | CC1 | DMR | Interstate | — | Trappe, MD |
| 33.6 | WA3YUV | Brandywine WA3YUV |
443.6000 | +5 | TSQL 103.5 | FM (analog) (FM,C4FM) | — | Brandywine, MD | |
| 33.9 | N3MRG | Tyaskin Muddy N3MRG |
146.8650 | -0.6 | CC1 | DMR | — | Tyaskin, MD | |
| 34.8 | W3SMR | Brandywine W3SMR |
147.1500 | +0.6 | TSQL 114.8 | FM (analog) | — | Brandywine, MD | |
| 38.5 | K3EMD | Easton URM Ctr K3EMD WIRES-X |
442.2000 | +5 | TSQL 156.7 | FM (analog) (FM,C4FM) | WIRES-X 33142 | — | Easton, MD |
| 39.3 | W4KGC | King George W4KGC |
146.7450 | -0.6 | TSQL 107.2 | FM (analog) | — | King George, VA | |
| 39.3 | K4GVA | King George K4GVA |
448.4750 | -5 | TONE 79.7 | FM (analog) | — | King George, VA | |
| 40.0 | W3OR | Crisfield McCrea W3OR |
145.1300 | -0.6 | CC1 | DMR | — | Crisfield, MD | |
| 40.5 | N3RKT | Crisfield N3RKT WIRES-X |
145.1100 | -0.6 | TSQL 156.7 | FM (analog) (FM,C4FM) | WIRES-X 30213 | — | Crisfield, MD |
| 40.5 | KC3BFB | Fort KC3BFB |
146.7150 | -0.6 | TONE 110.9 | FM (analog) | — | Fort Washington, MD | |
| 40.6 | W4NNK | Kilmarnock W4NNK |
146.8350 | -0.6 | TONE 100.0 | FM (analog) | — | Kilmarnock, VA | |
| 40.7 | KC3DVC | Crisfield KC3DVC Interstat |
145.1300 | -0.6 | CC1 | DMR | Interstate | — | Crisfield, MD |
| 41.5 | W4GSF | Kilmarnock Fire W4GSF |
145.4500 | -0.6 | none | FM (analog) | — | Kilmarnock, VA | |
| 41.6 | W4GSF | Kilmarnock W4GSF |
146.8350 | -0.6 | TONE 173.8 | FM (analog) | — | Kilmarnock, VA | |
| 42.1 | K3DRC | Salisbury WMDT K3DRC |
146.8200 | -0.6 | TSQL 156.7 | FM (analog) | 🗓 1 net | 1 net | Salisbury, MD |
| 42.3 | W3VPR | Davidsonville W3VPR |
147.1050 | +0.6 | TONE 107.2 | FM (analog) | 🗓 5 nets | 5 nets · 577 check-ins · 81 stations | Davidsonville, MD |
| 42.3 | W3VPR | Davidsonville W3VPR |
223.8800 | -1.6 | TONE 107.2 | FM (analog) | 🗓 5 nets | 5 nets · 577 check-ins · 81 stations | Davidsonville, MD |
| 42.3 | W3VPR | Davidsonville W3VPR |
444.4000 | +5 | TSQL 107.2 | FM (analog) | 🗓 5 nets | 5 nets · 577 check-ins · 81 stations | Davidsonville, MD |
| 43.0 | KA3MRX | Princess Anne KA3MRX |
146.6250 | -0.6 | TONE 156.7 | FM (analog) | — | Princess Anne, MD | |
| 43.6 | W3OR | Westover W3OR |
145.3200 | -0.6 | none | FM (analog) | — | Westover, MD | |
| 43.9 | W4ATN | Largo W4ATN MARC |
443.7875 | +5 | CC3 | DMR | DMR-MARC | — | Largo, MD |
| 44.0 | N3LHD | Upper Marlboro N3LHD Interstate |
444.6500 | +5 | CC6 | DMR | Interstate-c-Bridge-1 | — | Upper Marlboro, MD |
| 44.4 | N3YMS | Eden N3YMS Interstate |
441.8875 | +5 | CC2 | DMR | Interstate | — | Eden, MD |
| 44.4 | K3ERA | District Heights K3ERA EchoLink |
145.2300 | -0.6 | TSQL 110.9 | FM (analog) (FM,C4FM) | EchoLink 294165 🗓 2 nets | 2 nets · 39 check-ins · 15 stations | District Heights, MD |
| 46.2 | W4HFH | Alexandria W4HFH DMRVA |
442.4125 | +5 | CC1 | DMR | DMRVA 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 46.2 | W4HFH | Alexandria W4HFH |
927.6000 | -25 | TSQL 107.2 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 46.2 | N4FRS | Alexandria N4FRS |
449.3750 | -5 | TONE 203.5 | FM (analog) (FM,DV) | — | Alexandria, VA | |
| 46.4 | N3KNT | Federalsburg N3KNT Interstate |
442.0500 | +5 | CC1 | DMR | Interstate-2-Network | — | Federalsburg, MD |
| 46.7 | K4MMJ | Fredericksb FMl8 K4MMJ BM |
433.1000 | +5 | CC1 | DMR | BrandMeister 317511602 | — | Fredericksburg, FMl8, VA |
| 46.7 | N4FRS | Alexandria N4FRS |
1283.2000 | -12 | TSQL 203.5 | FM (analog) (FM,DV) | — | Alexandria, VA | |
| 46.7 | KB3CMA | Annapolis Broad KB3CMA Interstat |
441.8375 | +5 | CC1 | DMR | Interstate-3 | — | Annapolis, MD |
| 46.7 | KB3CMA | Annapolis Broad KB3CMA |
442.3000 | +5 | TSQL 107.2 | FM (analog) (C4FM,FM) | — | Annapolis, MD | |
| 47.0 | W3HAC | Washington W3HAC |
444.1625 | +5 | CC0 | DMR | — | Washington, DC | |
| 47.1 | K4US | Alexandria GW K4US |
146.6550 | -0.6 | TSQL 141.3 | FM (analog) (C4FM,FM) | — | Alexandria, VA | |
| 47.5 | W3PRO | Salisbury W3PRO |
145.2800 | -0.6 | none | D-STAR | — | Salisbury, MD | |
| 47.5 | W3PRO | Salisbury W3PRO |
146.9250 | -0.6 | TSQL 156.7 | FM (analog) | — | Salisbury, MD | |
| 47.5 | N3MRG | Salisbury N3MRG Interstate |
442.6500 | +5 | CC6 | DMR | Interstate | — | Salisbury, MD |
| 47.5 | K3RIC | Salisbury K3RIC |
444.0500 | +5 | none | FM (analog) (FM,C4FM) | — | Salisbury, MD | |
| 47.5 | W3PRO | Salisbury W3PRO |
444.2000 | +5 | none | D-STAR | — | Salisbury, MD | |
| 48.1 | N3JLT | Alexandria N3JLT Interstate |
443.1000 | +5 | CC1 | DMR | Interstate 🗓 1 net | 1 net · 89 check-ins · 45 stations | Alexandria, VA |
| 48.1 | WD4HRO | Woodbridge WD4HRO |
1293.0000 | -20 | none | D-STAR | — | Woodbridge, VA | |
| 48.3 | K3OCM | Salisbury K3OCM K4USD |
442.6500 | +5 | CC6 | DMR | K4USD | — | Salisbury, MD |
| 48.4 | KA4DCS | Woodbridge Potom KA4DCS |
444.8500 | +5 | none | FM (analog) | — | Woodbridge, VA | |
| 48.8 | W3NAB | Washington W3NAB AllStar |
442.7000 | +5 | TONE 103.5 | FM (analog) | AllStar 53645 | — | Washington, DC |
| 48.8 | W3GAB | Stevensville W3GAB BM |
433.8000 | +5 | CC1 | DMR | BrandMeister 321788101 | — | Stevensville, MD |
| 49.1 | WA3RF | Cheverly WA3RF AllStar |
441.0000 | +5 | TONE 173.8 | FM (analog) | AllStar 57512 | — | Cheverly, MD |
| 49.1 | W3VPR | Crownsville W3VPR EchoLink |
147.0750 | +0.6 | TSQL 107.2 | FM (analog) | EchoLink 524902 🗓 5 nets | 5 nets · 577 check-ins · 81 stations | Crownsville, MD |
| 49.3 | W4HFH | Alexandria W4HFH |
145.3800 | -0.6 | none | D-STAR | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 49.3 | W4HFH | Alexandria Hosp W4HFH |
442.0600 | +5 | none | D-STAR | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 49.3 | W4HFH | Alexandria Hosp W4HFH |
1284.6000 | -12 | none | D-STAR | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 49.6 | K3WS | Washington K3WS AllStar |
443.3750 | -5 | TONE 123.0 | FM (analog) | AllStar 27701 | — | Washington, DC |
| 49.6 | K3WS | Washington K3WS AllStar |
447.3750 | -5 | TONE 123.0 | FM (analog) | AllStar 27701 | — | Washington, DC |
| 49.6 | N8HM | Arlington N8HM BM |
438.4500 | -5 | CC1 | DMR | BrandMeister 311101701 | — | Arlington, VA |
| 49.6 | K3VOA | Washington Wilbu K3VOA AllStar |
147.0450 | +0.6 | TSQL 77.0 | FM (analog) | AllStar 23918 | — | Washington, DC |
| 49.6 | W4HFH | Alexandria W4HFH |
53.1300 | -1 | TONE 107.2 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 49.6 | W4HFH | Alexandria W4HFH |
147.3150 | +0.6 | TONE 107.2 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 49.6 | W4HFH | Alexandria W4HFH |
224.8200 | -1.6 | TONE 107.2 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 49.6 | W4HFH | Alexandria W4HFH |
444.6000 | +5 | TONE 107.2 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 49.6 | W4HFH | Alexandria W4HFH |
1282.6000 | -12 | TONE 107.2 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 49.9 | K0BMM | Arlington K0BMM BM |
447.3125 | -5 | CC1 | DMR | BrandMeister 322315305 | — | Arlington, VA |
| 49.9 | N3HAZ | Annapolis N3HAZ BM |
439.5500 | in 433.5500 | CC1 | DMR | BrandMeister 3197367 | — | Annapolis, MD |
| 6.3 | KB3FWW offline | Hollywood KB3FWW IRLP |
449.4900 | simplex | TSQL 146.2 | FM (analog) | IRLP 8856 | — | Hollywood, MD |
| 27.8 | WX4EMC offline | Heathsville WCNV WX4EMC DMRVA |
442.7000 | +5 | CC1 | DMR | DMRVA | — | Heathsville, VA |
| 48.7 | W7DQ offline | Widewater W7DQ IRLP |
446.9250 | simplex | TSQL 107.2 | FM (analog) | IRLP 3510 | — | Widewater, VA |
| 49.6 | K3VOA offline | Washington Wilbu K3VOA |
448.5750 | -5 | TSQL 77.0 | FM (analog) | — | Washington, DC |