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NOTE: The outdated and offensive "master-slave" terminology has been replaced with "Access point (AP) - Station/endpoint (STA)" in all instances, but will still remain in the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Note - content is provided for historical continuity and may be out of date.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
www.freewave.com
To configure the radio modem:
-
Login as user suomiops
-
Connect the modem to the computer serial port 2 using a straight serial cable
-
Type the following command: cu -l /dev/ttyS1 -s19200
-
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)
or
(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
TDMA Menu: NA