N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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, WIAK4DT HAM
🔒 Not available — currently licensed, through Nov 29, 2030. If it isn't renewed, it opens for vanity requests Nov 30, 2032.
📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH
Currently held by Charles T Brown · 1 holder on record
Current holder: Charles T Brown
Held AK4DT Nov 29, 2010 → present · first licensed Nov 29, 2010 as AK4DT · 1 license · FRN 0019639061
-
- Licensee
- Charles T Brown
- Address
- PO Box 153
20230 Buck Redman Lane
Callaway, MD 20620
- FRN
- 0019639061
- Last granted
- Nov 10, 2020
- Effective
- Nov 10, 2020
- Last action
- Nov 10, 2020
FCC actions (5)
- Nov 10, 2020 — License renewed LIREN
- Dec 13, 2018 — Administrative update LIAUA
- Apr 10, 2013 — Administrative update LIAUA
- Nov 29, 2010 — License issued LIISS
- Nov 29, 2010 — 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 Jan 22, 2019 → Oct 4, 2026 · 15 snapshots · as AK4DT
Charles T Brown
PO Box 153
20230 Buck Redman Lane, Callaway, MD 20620 - Seen Oct 22, 2013 → Sep 3, 2018 · 24 snapshots · as AK4DT
Charles T Brown
PO Box 477
520 SE Maynard Rd, Cary, NC 27511 - Seen Oct 17, 2011 → Apr 12, 2013 · 7 snapshots · as AK4DT
Charles T Brown
PO Box 477
Salter Path, NC 28575
Others requesting AK4DT
2 applications listed AK4DT as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Apr 11, 2022 | Apr 29, 2022 | KO4GOX · Alexander N Kokhanyuk · Hoschton, GA | 10 | Granted |
| Aug 2, 2010 | Aug 20, 2010 | KJ4GLA · ROGER GRAY A · SPRUCE PINE, AL | 23 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for AK4DT in the last 24 hours. They show up here within seconds of AK4DT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Repeaters within 50 miles
70 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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 |
|---|---|---|---|---|---|---|---|---|---|
| 3.8 | KB2SKP | Lexington Park KB2SKP WIRES-X |
445.2500 | -5 | DG-ID 00-00 | Fusion (C4FM) | WIRES-X 74906 | — | Lexington Park, MD |
| 5.2 | KC3FOQ | Leonardtown Fair KC3FOQ |
147.3900 | +0.6 | TONE 146.2 | FM (analog) (FM,C4FM) | 🗓 1 net | 1 net · 6 check-ins · 6 stations | Leonardtown, MD |
| 5.2 | KC3FOQ | Leonardtown Fair KC3FOQ |
443.3000 | +5 | TONE 123.0 | FM (analog) (FM,C4FM) | 🗓 1 net | 1 net · 6 check-ins · 6 stations | Leonardtown, MD |
| 6.7 | K3GGM | Hollywood K3GGM BM |
446.5000 | -5 | CC1 | DMR | BrandMeister 3211901 | — | Hollywood, MD |
| 6.8 | W1JD | Mechanicsville W1JD BM |
439.8750 | -5 | CC8 | DMR | BrandMeister 3124132 | — | Mechanicsville, MD |
| 7.2 | 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 |
| 8.5 | N3PPH | Hollywood Fire N3PPH |
145.3500 | -0.6 | TONE 156.7 | FM (analog) | — | Hollywood, MD | |
| 9.1 | W3BPT | Hollywood W3BPT Interstate |
146.8500 | -0.6 | CC1 | DMR | Interstate-3 | — | Hollywood, MD |
| 11.1 | K3CAL | Lusby Appeal K3CAL EchoLink |
444.9500 | +5 | TSQL 156.7 | FM (analog) (FM,C4FM) | EchoLink 389207 🗓 1 net | 1 net | Lusby, MD |
| 12.8 | N3PPH | Mechanicsville N3PPH Interstate |
441.7875 | +5 | CC1 | DMR | Interstate-2 | — | Mechanicsville, MD |
| 13.8 | KB2SKP | Lexington Park KB2SKP BM |
446.0125 | in 433.0125 | CC1 | DMR | BrandMeister 314491901 | — | Lexington Park, MD |
| 16.3 | K6XH | Callao K6XH BM |
443.0875 | +5 | CC1 | DMR | BrandMeister 314364 | — | Callao, VA |
| 16.9 | N3KUN | Chaptico N3KUN |
145.2500 | -0.6 | TONE 110.9 | FM (analog) | — | Chaptico, MD | |
| 18.8 | N3PX | Mechanicsville N3PX |
147.1950 | +0.6 | TSQL 156.7 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 12 stations | Mechanicsville, MD |
| 20.9 | W3SMD | Barstow W3SMD AllStar |
223.9000 | -1.6 | TONE 186.2 | FM (analog) | AllStar 513100 | — | Barstow, MD |
| 20.9 | N3FI | Barstow N3FI |
443.7000 | +5 | TSQL 179.9 | FM (analog) (FM,C4FM) | — | Barstow, MD | |
| 21.1 | N3PPH | Prince Frederick N3PPH Interstate |
441.3875 | +5 | CC1 | DMR | Interstate-3 | — | Prince Frederick, MD |
| 21.5 | KF4AH | Montross KF4AH |
146.8950 | -0.6 | TSQL 110.9 | FM (analog) | — | Montross, VA | |
| 21.5 | K3OCM | Charlotte Hall K3OCM K4USD-Net |
443.1875 | +5 | CC6 | DMR | K4USD-Net | — | Charlotte Hall, MD |
| 22.1 | W4NNK | Heathsville W4NNK |
147.3300 | +0.6 | TONE 100.0 | FM (analog) | — | Heathsville, VA | |
| 22.9 | W3PQS | Prince Frederick W3PQS |
53.1700 | -1 | TSQL 100.0 | FM (analog) | — | Prince Frederick, MD | |
| 26.7 | N3LHD | Aquasco N3LHD Interstate |
442.4625 | +5 | CC1 | DMR | Interstate-c-Bridge-1 | — | Aquasco, MD |
| 27.1 | WG3K | Chesapeake Beach WG3K BM |
444.3500 | +5 | none | D-STAR (DMR,DV) | BrandMeister 312393 | — | Chesapeake Beach, MD |
| 27.7 | N3PZZ | Dahlgren Potomac N3PZZ |
145.2500 | -0.6 | TONE 88.5 | FM (analog) | — | Dahlgren, VA | |
| 28.8 | N3PZZ | King George Dahl N3PZZ |
145.3300 | -0.6 | TONE 88.5 | FM (analog) | — | King George, VA | |
| 30.7 | N3PPH | Sunderland Mt N3PPH Interstate |
441.6375 | +5 | CC1 | DMR | Interstate-2 | — | Sunderland, MD |
| 30.7 | K3CAL | Sunderland K3CAL EchoLink |
146.9850 | -0.6 | TONE 156.7 | FM (analog) (FM,C4FM) | EchoLink 389207 🗓 1 net | 1 net | Sunderland, MD |
| 31.0 | KC8VFN | King George Locu KC8VFN |
146.7750 | -0.6 | TSQL 110.9 | FM (analog) | — | King George, VA | |
| 35.9 | W4NNK | Kilmarnock W4NNK |
146.8350 | -0.6 | TONE 100.0 | FM (analog) | — | Kilmarnock, VA | |
| 36.6 | WA3YUV | Brandywine WA3YUV |
443.6000 | +5 | TSQL 103.5 | FM (analog) (FM,C4FM) | — | Brandywine, MD | |
| 36.6 | N3MRG | Tyaskin Muddy N3MRG |
146.8650 | -0.6 | CC1 | DMR | — | Tyaskin, MD | |
| 36.8 | W4KGC | King George W4KGC |
146.7450 | -0.6 | TSQL 107.2 | FM (analog) | — | King George, VA | |
| 36.8 | K4GVA | King George K4GVA |
448.4750 | -5 | TONE 79.7 | FM (analog) | — | King George, VA | |
| 36.9 | W4GSF | Kilmarnock Fire W4GSF |
145.4500 | -0.6 | none | FM (analog) | — | Kilmarnock, VA | |
| 36.9 | W4GSF | Kilmarnock W4GSF |
146.8350 | -0.6 | TONE 173.8 | FM (analog) | — | Kilmarnock, VA | |
| 37.2 | K3EMD | Easton K3EMD WIRES-X |
147.0450 | +0.6 | TSQL 156.7 | FM (analog) | WIRES-X 43142 | — | Easton, MD |
| 37.7 | W3SMR | Brandywine W3SMR |
147.1500 | +0.6 | TSQL 114.8 | FM (analog) | — | Brandywine, MD | |
| 39.1 | N3YMS | Trappe N3YMS Interstate |
442.5375 | +5 | CC1 | DMR | Interstate | — | Trappe, MD |
| 39.9 | W3OR | Crisfield McCrea W3OR |
145.1300 | -0.6 | CC1 | DMR | — | Crisfield, MD | |
| 40.3 | N3RKT | Crisfield N3RKT WIRES-X |
145.1100 | -0.6 | TSQL 156.7 | FM (analog) (FM,C4FM) | WIRES-X 30213 | — | Crisfield, MD |
| 40.4 | KC3DVC | Crisfield KC3DVC Interstat |
145.1300 | -0.6 | CC1 | DMR | Interstate | — | Crisfield, MD |
| 42.5 | KC3BFB | Fort KC3BFB |
146.7150 | -0.6 | TONE 110.9 | FM (analog) | — | Fort Washington, MD | |
| 44.2 | K3EMD | Easton URM Ctr K3EMD WIRES-X |
442.2000 | +5 | TSQL 156.7 | FM (analog) (FM,C4FM) | WIRES-X 33142 | — | Easton, MD |
| 44.4 | W4TTL | Walkerton W4TTL |
146.7150 | -0.6 | none | FM (analog) | — | Walkerton, VA | |
| 44.6 | K4MMJ | Fredericksb FMl8 K4MMJ BM |
433.1000 | +5 | CC1 | DMR | BrandMeister 317511602 | — | Fredericksburg, FMl8, VA |
| 44.9 | W3OR | Westover W3OR |
145.3200 | -0.6 | none | FM (analog) | — | Westover, MD | |
| 45.1 | KA3MRX | Princess Anne KA3MRX |
146.6250 | -0.6 | TONE 156.7 | FM (analog) | — | Princess Anne, MD | |
| 46.4 | K3DRC | Salisbury WMDT K3DRC |
146.8200 | -0.6 | TSQL 156.7 | FM (analog) | 🗓 1 net | 1 net | Salisbury, MD |
| 46.6 | AE4ML | Bowling Gre SRMC AE4ML |
442.5750 | +5 | TSQL 79.7 | FM (analog) (DMR,FM,P25) | — | Bowling Green, VA | |
| 46.8 | W3VPR | Davidsonville W3VPR |
147.1050 | +0.6 | TONE 107.2 | FM (analog) | 🗓 5 nets | 5 nets · 553 check-ins · 79 stations | Davidsonville, MD |
| 46.8 | W3VPR | Davidsonville W3VPR |
223.8800 | -1.6 | TONE 107.2 | FM (analog) | 🗓 5 nets | 5 nets · 553 check-ins · 79 stations | Davidsonville, MD |
| 46.8 | W3VPR | Davidsonville W3VPR |
444.4000 | +5 | TSQL 107.2 | FM (analog) | 🗓 5 nets | 5 nets · 553 check-ins · 79 stations | Davidsonville, MD |
| 47.1 | N3YMS | Eden N3YMS Interstate |
441.8875 | +5 | CC2 | DMR | Interstate | — | Eden, MD |
| 47.6 | W4ATN | Largo W4ATN MARC |
443.7875 | +5 | CC3 | DMR | DMR-MARC | — | Largo, MD |
| 47.8 | 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 |
| 47.9 | N3LHD | Upper Marlboro N3LHD Interstate |
444.6500 | +5 | CC6 | DMR | Interstate-c-Bridge-1 | — | Upper Marlboro, MD |
| 48.6 | W4HFH | Alexandria W4HFH DMRVA |
442.4125 | +5 | CC1 | DMR | DMRVA 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 48.6 | W4HFH | Alexandria W4HFH |
927.6000 | -25 | TSQL 107.2 | FM (analog) | 🗓 1 net | 1 net · 34 check-ins · 18 stations | Alexandria, VA |
| 48.6 | N4FRS | Alexandria N4FRS |
449.3750 | -5 | TONE 203.5 | FM (analog) (FM,DV) | — | Alexandria, VA | |
| 48.7 | WD4HRO | Woodbridge WD4HRO |
1293.0000 | -20 | none | D-STAR | — | Woodbridge, VA | |
| 48.8 | N4FRS | Alexandria N4FRS |
1283.2000 | -12 | TSQL 203.5 | FM (analog) (FM,DV) | — | Alexandria, VA | |
| 49.1 | KA4DCS | Woodbridge Potom KA4DCS |
444.8500 | +5 | none | FM (analog) | — | Woodbridge, VA | |
| 49.4 | K4US | Alexandria GW K4US |
146.6550 | -0.6 | TSQL 141.3 | FM (analog) (C4FM,FM) | — | Alexandria, VA | |
| 49.8 | KQ4TNV | Stafford KQ4TNV WIRES-X |
145.7850 | simplex | Fusion (C4FM) | WIRES-X 99012 | — | Stafford, VA | |
| 49.8 | KQ4TNV | Stafford KQ4TNV BM |
446.4125 | -5 | none | D-STAR (C4FM,DMR,DV) | BrandMeister 314452 | — | Stafford, VA |
| 49.9 | W3HAC | Washington W3HAC |
444.1625 | +5 | CC0 | DMR | — | Washington, DC | |
| 8.5 | KB3FWW offline | Hollywood KB3FWW IRLP |
449.4900 | simplex | TSQL 146.2 | FM (analog) | IRLP 8856 | — | Hollywood, MD |
| 22.7 | WX4EMC offline | Heathsville WCNV WX4EMC DMRVA |
442.7000 | +5 | CC1 | DMR | DMRVA | — | Heathsville, VA |
| 47.5 | W7DQ offline | Widewater W7DQ IRLP |
446.9250 | simplex | TSQL 107.2 | FM (analog) | IRLP 3510 | — | Widewater, VA |
| 49.8 | WU5MC offline | Stafford WU5MC |
442.4875 | +5 | none | D-STAR | — | Stafford, VA |