by Sea-Tech Systems

FCC Radio Licenses Pactor Modems Icom SSB Radios M803 Amateur Mode SSB Nets & Frequencies FAQ's Weather, FAX Voice SSB Technicians Contact Us Sale by Owner Links Warranty


Simple, easy-to-use E-mail & Weather FAX on your boat using your marine SSB or Ham Radio,
& a Pactor-4 Modem.



(Previous Icom
Dealer of the Year)



Pactor 4 Modems
(Usually Ship Same Day)


DockSide Radio is committed to making sure your SSB and e-mail system is working properly, and that you understand how to setup and use your SSB & modem.

Icom M803

Color Display

Integrated GPS
Its own GPS
Disk Antenna)

 Class-E DSC

10-levels of  Noise Reduction + pulse noise blanker
(After-market noise filter NOT needed)

M803 NEW



  •  Speech Compression ENABLED -  Increases "talk power" Louder signal

  •  154 User Group Channels - Up-to-date  SSB & HAM frequencies & NETS

  •  Configuration/Settings set - Works properly with Pactor Modem.

  • Amateur/Ham & VFO Modes enabled - Tunes like a regular radio.

  • 1-year factory warranty.

WWV Propagation Report
4/27/2023 - 14:20Z / 10:20 EDT - Punta Gorda, FL
WWVH (Kauai)  15 MHz: Weak (no bars). 100% copy
WWV 15 MHz: 1-bar, 100% copy


ICOM Product Service Tips

 BLACK SPOT in the middle of M802 or Other LCD? Displays can be repaired!

M802 HM-135 Microphone cord

 Contact us :  [email protected]

Replace with Icom HM-214h $89 (same that ships with Icom M803) (order here)

Enabling the Icom M803 Amateur  Mode*

* Amateur Radio General Class license or higher required for transmitting on Ham Bands.

1 - Turn OFF Radio
2 - Simultaneously press and hold the 2, RX/TX, and MENU buttons, while powering ON  the M803
3 - Continue depressing the 2, RX/TX, and MENU  buttons until the radio show's its normal operating screen
4 - When  enabled,
AMATEUR will appear on the upper right portion of the M803's display

Before Enabling

After Enabling



Key Downloads

Pactor-4 DR-7800

Radio-specific cables & genuine Type-31 FairRite ferrites available separately, or in kits.

Pactor-4 e-mail Weather Fax Modem

Physical drop-in replacement for PTC-IIusb or PTC-IIPro.  Switching to the P4 Dragon 7800 shouldn't require any woodworking modification to your teak. Simply remove the old modem and drop in the DR7800....and yes, it uses the same/existing cables used by the PTC-IIusb and PTC-IIPro.

Click here for Product Datasheet

Pactor Modem Firmware Update
(always free)

Bring your older modem current:

Click here. Download/install SCS-Firmware Update utility.

Note: Internet connection required. Run update BEFORE leaving the dock.

Pactor-4 Dragon &
 PTC-III / IIusb Modem Driver Installer

  1. With the modem disconnected from your computer, click here to go the SCS  downloads page.

  2. Download SCS USB Driver Installer

  3. Double-click on the installer to RUN the driver installation.

  4. Connect the modem to your computer.

  5. Power the modem ON. Windows plug-n-play will connect the modem to the driver.

DSR's Custom
Channel Guide/Listings

(Current Listing)
Page 1 - Page 2

____ . ____

(Effective 12-2013)
Discontinued 12/31/2020

Page-1 - Page-2

____ . ____

(Discontinued 11-2013)
Page-1 - Page-2

Click here to download Airmail v3.5.054


This release contains changes/updates important to you, including:

  1. Updated GRIB Viewer (ViewFAX).

  2. Updated list of SM station frequencies.

  3. Updated SM Server IP addresses

  4. "Dedicated Route" function for blocking unwanted incoming messages.

Be sure to read Jim's release notes after installing


Pactor-4 DR-7400

*Modem only
Radio-specific cables & genuine Type-31 FairRite ferrites available separately, or in kits.

Pactor-4 DR-7400 Modem

Click here for Product Datasheet

DR-7400 Benefits  vs DR-7800

$370 less than DT-7800
50+% smaller footprint: 5"w x 13/
4"H x 51/2"D
quality: same great P4 reliability & performance

*Modem only
 Radio-specific cables & FairRites available separately, or in kits.

Read what our customers say about DockSide Radio's kits and service



FCC Radio Licenses
MMSI Number Management

 24-48 hour turnaround of FCC Marine & Aeronautical Radio License applications.

Internationally recognized MMSI Number for AIS transponder

Free-up your time by having DockSide Radio electronically file for your aeronautical/marine radio licenses.

Click here for more info and one-page License Worksheet.

- The Sailors' Quick-Start Guide -
 SailMail, AirMail, & Winlink

 Airmail Ver
Windows 10, Windows 8/8.1, windows 7 - Windows Vista
 Windows XP, Windows 2000
32  & 64-bit versions

Available in Europe from the creators of Pactor:


SCS Spezielle Communications Systeme GmbH & Co. KGRoentgenstr. 36
D-63454 Hanau, GERMANY
e-Mail: [email protected]


If you're new to Sailmail, this is the guide for you. Since it's first publishing in 2002, The Sailors Quick-Start Guide to Sailmail/Airmail/Winlink2000 is the only  guide that walks you step-by-step through the process of downloading, installing, and configuring Airmail. Loaded with actual computer screen images, the Quick-Start Guide quickly  gets you sending/receiving e-mail, and receiving WeatherFAX.

To learn more look at the Table of Contents by clicking here.

Covers Airmail Versions 3.5xx - 3.4.xx
for 32 & 64-bit
 Windows 11, 10 - 8/8.1 - 7 - Vista - XP - 2000

Airmail Sailmail Instruction Manual

$25.95* + ~$4.75
US/ Postage Only

Contact:  Sea-Tech System

  - The Sailors' Quick-Start Guide -
 SSB Installation & Operation
 Eighth Edition

Includes M803 Amateur and VFO Modes

Learn in non-technical terms how to install & operate your Icom M803, M802, M710, M700Pro single sideband radio.

 If you're new to SSB Radio, if you're doing your own installation, if you want to understand your SSB system, the $19.95 Quick-Start Guide to SSB Installation and Operation is for you.

No fluff - Just Useful Stuff

Practical, understandable, actionable, information based on professional training, education, and experience.
To learn more take a look at the Table of Contents by clicking here.

Icom SSB Radio Installation & Operation


$19.95* + ~$4.75
US Postage

Contact:  Sea-Tech Systems


 Warranty & Returns Policy  
Cruising Radio Nets:
Click here for the latest listing of cruising net times & frequencies.
Weather FAX:
Click here to download the latest Atlantic, Caribbean, Gulf of Mexico, & Pacific WeatherFAX maps.
SSB Simplex Channels & Frequencies:
Click here for a complete list of marine SSB simplex channels and frequencies.

  2024 DockSide Radio, Mobert Marine LLC, Sea-Tech Systems