SSB FREQUENCY LIST

SSB
Channel

Channel
Number

Mode

Ship
Receive

Ship
Transmit

Description

Distress, Calling and Safety Frequencies (only 2182.0 monitored by USCG):

 

A1

 

 

USB/A3J

 

2182.0

 

Simplex

 

*International Calling and Distress

 

A2

 

 

USB/A3J

 

2082.5

 

Simplex

 

Ship to ship Intership Safety

 

A3

 

 

USB/A3J

 

2142.0

 

Simplex

 

Ship to ship Intership Safety

 

A4

 

 

USB/A3J

 

2638.0

 

Simplex

 

Ship to ship Intership Safety

 

A5

 

 

USB/A3J

 

2738.0

 

Simplex

 

Ship to ship Intership Safety

 

45, 450

USB/A3J

4125.0

Simplex

Short-range safety

A6

65, 650

USB/A3J

6215.0

Simplex

Short-range safety

A7

85, 850

USB/A3J

8291.0

Simplex

Medium-range safety

A8

125, 1250

USB/A3J

12290.0

Simplex

Long-range safety

 

 

USB/A3J

16420.0

Simplex

Long-range safety

 

 

USB/A3J

3023.0

Simplex

On Scene Search and Rescue

 

 

USB/A3J

5680.0

Simplex

On Scene Search and Rescue

*Required to maintain a listening watch on this frequency when not communicating on another channel

 

U.S. Coast Guard Working Channels:

 

A9

 

 

USB/A3J

 

2670.0

 

Simplex

 

Intership

A10

424

USB/A3J

4426.0

4134.0

*500 Mile

 

601

USB/A3J

6501.0

6200.0

*Gulf Coast

A11

816

USB/A3J

8764.0

8240.0

*Medium-range

A12

1205

USB/A3J

13089.0

12242.0

*Long-range 24 hour

A13

1625

USB/A3J

17314.0

16432.0

*Day/Evening long-range

*Also transmits scheduled broadcasts

Time Signals:

 

 

AM/A3H

2500.0

 

*WWV WWVH

A14

 

AM/A3H

5000.0

 

*WWV WWVH

A15

 

AM/A3H

10000.0

 

*WWV WWVH

A16

 

AM/A3H

15000.0

 

*WWV

 

 

AM/A3H

20000.0

 

*WWV

 

 

AM/A3H

3330.0

 

CHU Ottawa Canada

 

 

AM/A3H

7335.0

 

CHU

 

 

AM/A3H

14670.0

 

CHU

*Also transmits scheduled broadcasts

 

 

SSB
Channel

Channel
Number

Mode

Ship
Receive

Ship
Transmit

Best Use

Common Ship to Ship Channels:

B1

2A

USB/A3J

2065.0

Simplex

50 miles, night

B2

2B

USB/A3J

2079.0

Simplex

50 miles, night

B3

2C

USB/A3J

2096.5

Simplex

50 miles, night

 

3A

USB/A3J

3623.0

Simplex

50 miles, night

B4

4A

USB/A3J

4146.0

Simplex

*150 miles, night

B5

4B

USB/A3J

4149.0

Simplex

150 miles, night

 

4C

USB/A3J

4417.0

Simplex

150 miles, night

B6

6A

USB/A3J

6224.0

Simplex

200 miles, day or night

B7

6B

USB/A3J

6227.0

Simplex

200 miles, day or night

 

6C

USB/A3J

6230.0

Simplex

200 miles, day or night

B8

8A

USB/A3J

8294.0

Simplex

*400 miles, day

B9

8B

USB/A3J

8297.0

Simplex

400 miles, day

B10

12A

USB/A3J

12353.0

Simplex

1,000 miles, day

B11

12B

USB/A3J

12356.0

Simplex

1,000 miles, day

 

12C

USB/A3J

12359.0

Simplex

1,000 miles, day

 

 

USB/A3J

12362.0

Simplex

1,000 miles, day

 

 

USB/A3J

12365.0

Simplex

1,000 miles, day

B12

16A

USB/A3J

16528.0

Simplex

5,000 miles, day

B13

16B

USB/A3J

16531.0

Simplex

5,000 miles, day

 

16C

USB/A3J

16534.0

Simplex

5,000 miles, day

 

 

USB/A3J

16537.0

Simplex

5,000 miles, day

 

 

USB/A3J

16540.0

Simplex

5,000 miles, day

 

 

USB/A3J

16543.0

Simplex

5,000 miles, day

 

 

USB/A3J

16546.0

Simplex

5,000 miles, day

 

 

USB/A3J

18825.0

Simplex

5,000 miles, day

 

 

USB/A3J

18828.0

Simplex

5,000 miles, day

 

 

USB/A3J

18831.0

Simplex

5,000 miles, day

 

 

USB/A3J

18834.0

Simplex

5,000 miles, day

 

 

USB/A3J

18837.0

Simplex

5,000 miles, day

 

18A

USB/A3J

18840.0

Simplex

Quiet channel, 5,000 miles, day

 

18B

USB/A3J

18843.0

Simplex

Quiet channel, 5,000 miles, day

B14

22A

USB/A3J

22159.0

Simplex

10,000 miles, day

B15

22B

USB/A3J

22162.0

Simplex

10,000 miles, day

B16

22C

USB/A3J

22165.0

Simplex

10,000 miles, day

 

22D

USB/A3J

22168.0

Simplex

10,000 miles, day

 

22E

USB/A3J

22171.0

Simplex

10,000 miles, day

 

 

USB/A3J

22174.0

Simplex

10,000 miles, day

 

 

USB/A3J

22177.0

Simplex

10,000 miles, day

 

 

USB/A3J

25100.0

Simplex

10,000 miles, day

*Often used to conduct marine business

 

SSB
Channel

Channel
Number

Mode

Ship
Receive

Ship
Transmit

Best Use

 

 

USB/A3J

25103.0

Simplex

10,000 miles, day

 

 

USB/A3J

25106.0

Simplex

10,000 miles, day

 

 

USB/A3J

25109.0

Simplex

10,000 miles, day

 

 

USB/A3J

25112.0

Simplex

10,000 miles, day

 

25A

USB/A3J

25115.0

Simplex

10,000 miles, day

 

25B

USB/A3J

25118.0

Simplex

10,000 miles, day

"Secret" Ship to Ship Channels:

 

 

USB/A3J

4000.0

Simplex

 

 

 

USB/A3J

4003.0

Simplex

 

 

 

USB/A3J

4006.0

Simplex

 

 

 

USB/A3J

4009.0

Simplex

 

 

 

USB/A3J

4012.0

Simplex

 

 

 

USB/A3J

4015.0

Simplex

 

 

 

USB/A3J

4018.0

Simplex

 

 

 

USB/A3J

4021.0

Simplex

 

 

 

USB/A3J

4024.0

Simplex

 

 

 

USB/A3J

4027.0

Simplex

 

 

 

USB/A3J

4030.0

Simplex

"Baja Intercom" Channel

 

 

USB/A3J

4033.0

Simplex

 

 

 

USB/A3J

4036.0

Simplex

 

 

 

USB/A3J

4039.0

Simplex

 

 

 

USB/A3J

4042.0

Simplex

 

 

 

USB/A3J

4045.0

Simplex

 

 

 

USB/A3J

4048.0

Simplex

 

 

 

USB/A3J

4051.0

Simplex

 

 

 

USB/A3J

4054.0

Simplex

Caribbean to Panama Channel

 

 

USB/A3J

4057.0

Simplex

 

 

 

USB/A3J

8101.0

Simplex

 

 

 

USB/A3J

8104.0

Simplex

 

 

 

USB/A3J

8107.0

Simplex

 

 

 

USB/A3J

8110.0

Simplex

 

 

 

USB/A3J

8116.0

Simplex

 

 

 

USB/A3J

8119.0

Simplex

 

 

 

USB/A3J

8122.0

Simplex

 

 

 

USB/A3J

8125.0

Simplex

 

 

 

USB/A3J

8131.0

Simplex

 

 

 

USB/A3J

8134.0

Simplex

 

 

 

USB/A3J

8137.0

Simplex

 

 

 

USB/A3J

8140.0

Simplex

 

 

 

USB/A3J

8143.0

Simplex

 

 

SSB
Channel

Channel
Number

Mode

Ship
Receive

Ship
Transmit

Description

 

 

USB/A3J

8146.0

Simplex

 

 

 

USB/A3J

8149.0

Simplex

 

 

 

USB/A3J

8152.0

Simplex

 

 

 

USB/A3J

8155.0

Simplex

 

 

 

USB/A3J

8158.0

Simplex

 

 

 

USB/A3J

8161.0

Simplex

 

 

 

USB/A3J

8164.0

Simplex

 

 

 

USB/A3J

8157.0

Simplex

 

 

 

USB/A3J

8170.0

Simplex

 

 

 

USB/A3J

8173.0

Simplex

 

 

 

USB/A3J

8176.0

Simplex

 

 

 

USB/A3J

8179.0

Simplex

 

 

 

USB/A3J

8182.0

Simplex

 

 

 

USB/A3J

8185.0

Simplex

 

 

 

USB/A3J

8188.0

Simplex

 

 

 

USB/A3J

8191.0

Simplex

 

Weather Fax Frequencies

C1

 

USB/A3J

4345.1

 

Pt. Reyes (NMC)

C2

 

USB/A3J

8680.1

 

Pt. Reyes (NMC)

C3

 

USB/A3J

12788.1

 

Pt. Reyes (NMC)

C4

 

USB/A3J

17149.3

 

Pt. Reyes (NMC)

C5

 

USB/A3J

22526.1

 

Pt. Reyes (NMC)

 

 

USB/A3J

9982.5

 

Honolulu (KVM70)

 

 

USB/A3J

11090.0

 

Honolulu (KVM70)

 

 

USB/A3J

16135.0

 

Honolulu (KVM70)

 

 

USB/A3J

23331.5

 

Honolulu (KVM70)

 

SSB
Chan

Chan
Number

Mode

Ship
Receive

Ship
Transmit

Description

WLO HIGH SEAS MARINE TELEPHONE (Must be pre-registered with credit card):

C6

405

 

4077.0

4369.0

Voice

C7

607

 

6218.0

6519.0

Voice

C8

824

 

8264.0

8788.0

Voice

C9

830

 

8282.0

8806.0

Voice

C10

1212

 

12263.0

13110.0

Voice

C11

1226

 

12305.0

13152.0

Voice

C12

1607

 

16378.0

17260.0

Voice

C13

1641

 

16480.0

17362.0

Voice

C14

1807

 

18798.0

19773.0

Voice

C15

2237

 

22108.0

22804.0

Voice

Manual Hours of Service (Daily) 6:00 AM to 10:00 PM LT (12:00 - 04:00 UTC)
Traffic Lists (Voice) Every Hour on the Hour
Weather Bcsts 1200 / 1800 / 2400 UTC
Marine Operator (334) 666-3487

Office: (800) 633-1312

http://www.wloradio.com

SailMail frequencies (Must be pre-registered by mail):

 

 

 

2656.0

 

KZN508

 

 

 

2661.4

 

WRD719

 

 

 

5876.0

 

KZN508

 

 

 

5881.4

 

WRD719

 

 

 

7961.0

 

KZN508

 

 

 

7971.4

 

WRD719

 

 

 

7981.0

 

KZN508

 

 

 

10331.0

 

KZN508

 

 

 

10343.0

 

WRD719

 

 

 

13971.0

 

WRD719

 

 

 

13986.0

 

WRD719

 

 

 

13992.0

 

KZN508

 

 

 

13998.0

 

KZN508

 

 

 

18618.0

 

KZN508

 

 

 

18624.0

 

WRD719

 

 

 

18630.0

 

KZN508

 

SCHEDULED BROADCASTS

WWV:

8-9 min past the hour

AM/A3H

WWV

Weather storms Omega

48-50 min past the hour

AM/A3H

WWVH

Weather storms Omega

 

U.S. COAST GUARD BROADCAST SCHEDULE

 

All broadcasts are upper single sideband (USB/A3J), and include weather forecasts and warnings. Broadcasts on 2670 kHz include navigational warnings, search and rescue broadcasts, and weather forecasts and warnings. Frequencies are carrier (dial) frequencies.

Station: USCG Communications Area Master Station Atlantic Portsmouth VA/NMN

 

Time (UTC)

 

Frequency (kHz)

 

0330

 

4426

 

6501

 

8764

 

0500

 

4426

 

6501

 

8764

 

0930

 

4426

 

6501

 

8764

 

1130

 

6501

 

8764

 

13089

 

1600

 

6501

 

8764

 

13089

 

1730

 

8764

 

13089

 

17314

 

2200

 

6501

 

8764

 

13089

 

2330

 

6501

 

8764

 

13089

Station: USCG Communications Area Master Station Pacific San Francisco CA/NMC

 

Time (UTC)

 

Frequency (kHz)

 

0430

 

4426

 

8764

 

13089

 

1030

 

4426

 

8764

 

13089

 

1630

 

8764

 

13089

 

17314

 

2230

 

8764

 

13089

 

17314

Station: USCG Communications Station Honolulu HI/NMO

 

Time (UTC)

 

Frequency (kHz)

 

0600

 

6501

 

8764

 

1200

 

6501

 

8764

 

1800

 

8764

 

13089

 

0000

 

8764

 

13089

Station: USCG Communications Station Kodiak AK/NOJ

 

Time (UTC)

 

Frequency (kHz)

 

0203

 

6501

 

1645

 

6501

 

--*

 

2670

* Broadcasts, announced on 2182 kHz, include urgent marine information broadcasts and severe weather warnings only.

 

Station: USCG Marianas Section Guam

 

Time (UTC)

 

Frequency (kHz)

 

0300

 

13089

 

0705

 

2670

 

0930

 

6501

 

1530

 

6501

 

2130

 

13089

 

2205

 

2670

Note: Except for 2670 kHz, these frequencies are also the coast-transmit portion of radiotelephone channels used for distress and safety calls to the Coast Guard.

Note: CAMSPAC, MARSEC Guam and most USCG Groups in the Atlantic, Gulf and Pacific Coasts also broadcast maritime safety information on 2670 kHz, after announcing the broadcast on 2182 kHz.

2670 kHz Voice Broadcasts from USCG Groups

 

USCG Group

 

Call Sign

 

Time (UTC)

 

Cape Hatteras NC

 

--

 

0133, 1303

 

Fort Macon NC

 

--

 

0103, 1233

 

Eastern Shore VA

 

--

 

0233, 1403

 

Hampton Roads VA

 

--

 

0203, 1333

 

Atlantic City NJ

 

 

 

Astoria OR

 

NMW

 

0533, 1733

 

Port Angelas WA

 

NOW

 

0615, 1815

 

North Bend OR

 

NOE

 

0603, 1803

 

Humboldt Bay CA

 

NMC11

 

0303, 1503

 

San Francisco CA

 

NMC17

 

0203, 1403

 

Los Angeles/Long Beach CA

 

NMQ9

 

1303, 2103

 

Honolulu HI

 

NMO2

 

0903, 2103

 

AM DOUBLE SIDEBAND

Frequency

Mode

Description

5975.0

AM/A3H

BBC & Voice of America

7435.0

AM/A3H

BBC & Voice of America

9575.0

AM/A3H

BBC & Voice of America

11835.0

AM/A3H

BBC & Voice of America

13760.0

AM/A3H

BBC & Voice of America

15120.0

AM/A3H

BBC & Voice of America

 

AM/A3H

BBC & Voice of America

 

AM/A3H

BBC & Voice of America

 

AM/A3H

BBC & Voice of America

 

COMMON HAM FREQUENCIES

Frequency

Mode

Description

3815.0

LSB

Caribbean weather net

3930.0

LSB

Puerto Rico weather

3968.0

LSB

West coast AM/PM marine nets 7AM

7230.0

LSB

Caribbean maritime mobile net

7233.0

LSB

Recreation vehicle service net

7238.0

LSB

West coast mariner's net 8 AM & 7 PM

7238.5

LSB

Baja California maritime net 8 AM

7264.0

LSB

East coast waterway net

7268.0

LSB

East coast waterway net

7294.0

LSB

West coast mariner's net 8 AM & 7 PM

14300.0

USB/A3J

24-hour maritime mobile help net

14340.0

USB/A3J

West coast Manana net 11 AM

14342.0

USB/A3J

West coast Manana net 11 AM

21401.0

USB/A3J

Maritime mobile net 3 PM

1800 - 2000

LSB

160 meter band

3500 - 4000

LSB

80 meter band

7000 - 7300

LSB

40 meter band

14000 - 14350

USB/A3J

20 meter band

18068 - 18168

USB/A3J

17 meter band

21000 - 21450

USB/A3J

15 meter band

24890 - 24990

USB/A3J

12 meter band

28000 - 29700

USB/A3J

10 meter band

 

MISCELLANEOUS FREQUENCIES

Frequency

Mode

Description

8843.0

USB/A3J

Aeronautical weather

5547.0

USB/A3J

Aeronautical in-route communications

11282.0

USB/A3J

Aeronautical weather

13261.0

USB/A3J

Aeronautical weather

13270.0

USB/A3J

Aeronautical east & west coast tower frequencies

13282.0

USB/A3J

Aeronautical east & west coast tower frequencies

13300.0

USB/A3J

Aeronautical in-route communications

13345.0

USB/A3J

Aeronautical weather

4750 - 5060

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

5950 - 6200

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

7100 - 7300

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

9500 - 9905

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

11650 - 12050

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

13600 - 13800

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

15100 - 15600

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

17550 - 17900

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

21450 - 21850

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

25600 - 26100

AM/A3H

Commercial SW BBC VOA Radio Moscow Etc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMPLETE ITU CHANNELS FREQUENCY LISTING

(All are USB/A3J)

Chan
Number

Ship
Transmit

Ship
Receive

Chan
Number

Ship
Transmit

Ship
Receive

Chan
Number

Ship
Transmit

Ship
Receive

401

4357

4065

605

6513

6212

829

8803

8279

402

4360

4068

606

6516

6215

830

8806

8282

403

4363

4071

650

6215

Safety

831

8809

8285

404

4366

4074

651

6224

Simplex

832

8812

8288

405

4369

4077

652

6227

Simplex

850

8291

Safety

406

4372

4080

653

6230

Simplex

851

8294

Simplex

407

4375

4083

654

6516

Simplex

852

8297

Simplex

408

4378

4086

801

8719

8195

1201

13077

12230

409

4381

4089

802

8722

8198

1202

13080

12233

410

4384

4092

803

8725

8201

1203

13083

12236

411

4387

4095

804

8728

8204

1204

13086

12239

412

4390

4098

805

8731

8207

1205

13089

12242

413

4393

4101

806

8734

8210

1206

13092

12245

414

4396

4104

807

8737

8213

1207

13095

12248

415

4399

4107

808

8740

8216

1208

13098

12251

416

4402

4110

809

8743

8219

1209

13101

12254

417

4405

4113

810

8746

8222

1210

13104

12257

418

4408

4116

811

8746

8225

1211

13107

12260

419

4411

4119

812

8752

8228

1212

13110

12263

420

4414

4122

813

8755

8231

1213

13113

12266

421

4417

4125

814

8758

8234

1214

13116

12269

422

4420

4128

815

8761

8237

1215

13119

12272

423

4423

4131

816

8764

8240

1216

13122

12275

424

4426

4134

817

8767

8243

1217

13125

12278

425

4429

4137

818

8770

8246

1218

13128

12281

426

4432

4140

819

8773

8249

1219

13131

12284

427

4435

4143

820

8776

8252

1220

13134

12287

450

4125

Safety

821

8779

8255

1221

13137

12290

451

4146

Simplex

822

8782

8258

1222

13140

12293

452

4149

Simplex

823

8785

8261

1223

13143

12296

453

4417

Simplex

824

8788

8264

1224

13146

12299

601

6501

6200

825

8791

8267

1225

13149

12302

602

6504

6203

826

8794

8270

1226

13152

12305

603

6507

6206

827

8797

8273

1227

13155

12308

604

6510

6209

828

8800

8276

1228

13158

12311

 

 

Chan
Number

Ship
Transmit

Ship
Receive

Chan
Number

Ship
Transmit

Ship
Receive

Chan
Number

Ship
Transmit

Ship
Receive

1229

13161

12314

1634

17341

16459

2215

22738

22042

1230

13164

12317

1635

17344

16462

2216

22741

22045

1231

13167

12320

1636

17347

16465

2217

22744

22048

1232

13170

12323

1637

17350

16468

2218

22747

22051

1250

12290

Safety

1638

17353

16471

2219

22750

22054

1251

12353

Simplex

1639

17356

16474

2220

22753

22057

1252

12356

Simplex

1640

17359

16477

2221

22756

22060

1253

12359

Simplex

1641

17362

16480

2222

22759

22063

1601

17242

16360

1650

16420

Safety

2223

22762

22066

1602

17245

16363

1651

16528

Simplex

2224

22765

22069

1603

17248

16366

1652

16531

Simplex

2225

22768

22072

1604

17251

16369

1653

16534

Simplex

2226

22771

22075

1605

17254

16372

1801

18780

19755

2227

22774

22078

1606

17257

16375

1802

18783

19758

2228

22777

22081

1607

17560

16378

1803

18786

19761

2229

22780

22084

1608

17263

16381

1804

18789

19764

2230

22783

22087

1609

17266

16384

1805

18792

19767

2231

22786

22090

1610

17269

16387

1806

18795

19770

2232

22789

22093

1611

17272

16390

1807

18798

19773

2233

22792

22096

1612

17275

16393

1808

18801

19776

2234

22795

22099

1613

17278

16396

1809

18804

19779

2235

22798

22102

1614

17281

16399

1810

18807

19782

2236

22801

22105

1615

17284

16402

1811

18810

19785

2237

22804

22108

1616

17287

16405

1812

18813

19788

2238

22807

22111

1617

17290

16408

1813

18816

19791

2239

22810

22114

1618

17293

16411

1814

18319

19794

2240

22813

22117

1619

17296

16414

1815

18822

19797

2251

22159

Simplex

1620

17299

16417

2201

22696

22000

2252

22162

Simplex

1621

17302

16420

2202

22699

22003

2253

22165

Simplex

1622

17305

16423

2203

22702

22006

2254

22168

Simplex

1623

17308

16426

2204

22705

22006

2255

22171

Simplex

1624

17311

16429

2205

22708

22012

2501

25070

26145

1625

17314

16432

2206

22711

22015

2502

25073

26148

1626

17317

16435

2207

22714

22018

2503

25076

26151

1627

17320

16438

2208

22717

22021

2504

25079

26154

1628

17323

16441

2209

22720

22024

2505

25082

26157

1629

17326

16444

2210

22723

22027

2506

25085

26160

1930

17329

16447

2211

22726

22030

2507

25088

26163

1631

17332

16450

2212

22729

22033

2508

25091

26166

1632

17335

16453

2213

22732

22036

 

 

 

1633

17338

16456

2214

22735

22039

 

 

 

 

NOTES:

GROUND WAVE RANGE:

Frequency Range

Distance

Time

2 MHz

150 miles

Anytime, day or night

4 MHz

100 miles

Anytime, day or night

6 MHz

75 miles

Anytime, day or night

8 MHz

70 miles

Anytime, day or night

12 MHz

50 miles

Anytime, day or night

16 MHz

50 miles

Anytime, day or night

SKY WAVE RANGE:

Frequency Range

Daytime Range

Night Time Range

2 MHz

Sky waves absorbed

1,000 miles

4 MHz

Sky waves absorbed

1,500 miles

6 MHz

300-500 miles

1,000-2,500 miles

 

8 MHz

 

700 miles

 

1,000-3,000 miles

 

12 MHz

 

500-3,000 miles

 

Worldwide, in direction of sun

16 MHz

800-4,000 miles

Worldwide, in direction of sun until 8 PM local time

22 MHz

Worldwide

Little to no sky wave reflection after sunset

25 MHz

Worldwide

Little to no sky wave reflection after sunset

Governing FCC Rules: http://www.fcc.gov/wtb/rules.html

DEFINITIONS:

  • (Marine bands are USB; Ham bands can be either USB or LSB.)