Knowledge Base

SuomiNet - FreeWave Wireless Communication Link

NOTE:  The outdated and offensive "master-slave" terminology has been replaced with "Access point (AP) - Station/endpoint (STA)" in all instances, but will still remain in the configuration software when implemented

Note - content is provided for historical continuity and may be out of date. The UNAVCO SuomiNet pages are not actively maintained, and up-to-date SuomiNet information should be obtained from UCAR's COSMIC program at: www.cosmic.ucar.edu/suominet.html

Part List - The following parts are required for Configuration 3 SuomiNet sites using a radio link between the GPS receiver and the system computer.

Configuration 3 radio link part list

Qty Item Part Number Unit Price
2 FreeWave 900 MHz radio modem DGR-115R ~$1,170
Includes: 110VAC power supply    
Includes: DB9 serial cable    
2 Yagi directional antenna EAN0906YB $67.50
2 N male - N male antenna cable various contact FreeWave
1 DB9 null modem adapter    
1 DB9 male-male adapter    

FreeWave parts available from:
FreeWave Technologies, Inc.
1880 South Flatiron Court
Boulder, CO 80301
(303) 444-3862
(303) 786-9948 fax

To configure the radio modem:

  1. Login as user suomiops

  2. Connect the modem to the computer serial port 2 using a straight serial cable

  3. Type the following command: cu -l /dev/ttyS1 -s19200

  4. Press the setup button on the radio modem to see the configuration menu

DGR-115R SuomiNet Configuration Settings

Operation Mode:
(0) Point to Point Master (computer end radio)
(1) Point to Point Slave (GPS receiver end radio)

Baud Rate:
(4) 38,400

Call Book:
Number corresponding to the other radio modem.

Radio Transmission Characteristics:
(0) FreqKey 0
(1) Max Packet Size 9
(2) Min Packet Size 0
(3) Xmit Rate 1
(4) RF Data Rate 3
(5) RF XMIT Power 9
(6) Slave Security 1
(7) RTS to CTS 0
(8) Retry Time Out 255
(9) Lowpower Mode 0

MultiPoint Parameters:
(0) Number Repeaters 0
(1) Master Packet Repeat 3
(2) Max Slave Retry 9
(3) Retry Odds 9
(4) DTR Connect 0
(5) Repeater Frequency 0
(6) NetWork ID 255
(7) Reserved
(8) MultiMasterSynch 0
(9) 1 PPS Enable/Delay 255
(A) Slave/Repeater 0
(B) Diagnostics 0
(C) SubNet ID Disabled
(D) Radio ID Not Set


Attached Files
There are no attachments for this article.
There are no comments for this article. Be the first to post a comment.
Security Code Security Code
Related Articles RSS Feed
SuomiNet Site Network Rules Regarding Port Access
Viewed 2418 times since Thu, Oct 30, 2008
SuomiNet Efforts in the U.S. Southern Great Plains (paper, year?)
Viewed 5021 times since Wed, Dec 30, 2009
SuomiNet Trimble 4700 Firmware
Viewed 2771 times since Thu, Oct 30, 2008
Winstream - SuomiNet R Utilities for Windows Platform
Viewed 1537 times since Thu, Oct 30, 2008
SuomiNet - Site Configurations
Viewed 2489 times since Wed, Dec 30, 2009
SuomiNet R Utilities for Linux
Viewed 1498 times since Thu, Oct 30, 2008
Trimble WinFlash - How to load new firmware onto the Trimble 4700 receiver
Viewed 21694 times since Mon, Dec 14, 2009
University NAVSTAR Consortium Support for SuomiNet, a GPS Network for Atmospheric Sensing (paper, year?)
Viewed 3863 times since Tue, Dec 15, 2009
SuomiNet - Initial Station Deployment Procedure
Viewed 1805 times since Wed, Dec 30, 2009
SuomiNet - Network Rules
Viewed 1978 times since Tue, Dec 29, 2009

Last modified: 2019-12-27  16:36:35  America/Denver