Using the Kenwood TM-D700A and TH-D7A Tony Campbell W5ADC
Tony – W5ADC Been licensed since 1978. Have been active in satellite communications. Became active with APRS over 2 years. Active SSID W5ADC-10 Home Weather Station W5ADC-14 Mobile You may also see W5ADC-15 Portable TM-D700A W5ADC-7 TH-D7A W5ADC-8 TinyTrak 3
Kenwood TH-D7A(G) Nice HT with APRS features Dual band 114/440 MHz 5 Watts Basic TNC On screen text monitoring PC programmable Just add a GPS and go
Basic Interconnection Diagram Purpose Built Radios GPS NMEA Data In/Out
TH-D7(G) Operation Main Screen TNC Beacon Data Band Frequency or Channel Name
TH-D7A(G) Basic Functions OK ESC TNC Position Message Beacon List Stations
TH-D7A(G) Operation Station List Call and SSID Entered by Pressing [LIST]
TH-D7A(G) Operation Fixed Station Press [OK] To Step Between Screens
TH-D7A(G) Operation Mobile Station Press [OK] To Step Between Screens
TH-D7A(G) Operation Weather Station Press [OK] To Step Between Screens
TH-D7A(G) Operation Position
Connecting the GPS Receiver DB9 Plug with Pins White/Data to GPS White/Pin 3 Red/Pin 2 Shield/Pin 5 Shield/GND Red/Data from GPS This cable should work with any GPS receiver That is designed to connect to a 9 pin serial port.
Setup of GPS Receiver NMEA/NMEA (NMEA In/Out) NMEA 0183 2.0 4800 baud WGS84
TH-D7A(G) Configuration APRS Set UTC Offset 2-O (TIME ZONE) As Required Select Data Band 1-4-1 (DATA BAND) A Packet Transfer Rate 2-M (PACKET SPEED) 1200 bps
TH-D7A(G) Configuration APRS (Con’t) Program Call Sign 2-1 (MY CALLSIGN) W5ADC-14 Select Station Icon 2-8 (STATION ICON) Select as Desired Select Position Comment 2-6 (POSITION COMMENT) Off Duty/Returning/Priority/…/In Service Enter Status Text 2-9 (STATUS TEXT) Up to 5 user selectable Messages Packet Path 2-B (PACKET PATH) RELAY,WIDE2-2 or RELAY,WIDE
TH-D7A(G) Configuration APRS (Con’t) Packet Transmit Method 2-C (PACKET TX) AUTO Transmit Interval 2-D (TX INTERVAL) No more often than 3 minutes Status Text Transmit Rate 2-A (STATUS TX RATE) 1/3 Can range from OFF to 1/1 to 1/8 Reception Limit 2-7 (POSITION LIMIT) OFF Can range from 10 to 2500 Position Ambiguity 2-5 (POS AMBIGUITY) OFF Can be used to limit the accuracy of the position data transmitted
TH-D7A(G) Configuration The Easy Way Use the configuration program available from Kenwood for free. Go to www.kenwood.net and get MC7G110.exe All you need is a computer with a serial port and a PG-4W cable or build your own. DB9 Plug with Sockets White/Data to PC White/Pin 3 Red/Pin 2 Shield/Pin 5 Shield/GND Red/Data from PC
Sample Screens
Kenwood TM-D700A Coolest APRS radio on the market Dual band 114/440 MHz 50/35 Watts Decent 1200/9600 bps TNC Built-in Digipeater On screen text monitoring PC programmable Just add a GPS and go
TM-D700A Operation Main Screen Beacon TNC APRS Mode GPS Blinking Data Band Correct Frequency
TM-D700A Operation APRS Menu Entered by Pressing and Holding “F” Button for 1 second GPS Station List Position Screen Packet Monitor Message Screen Beacon
TM-D700A Operation Station List Call and SSID Time of Last Packet Station Type/Situation View Details Press to send message
TM-D700A Operation Fixed Station Call and SSID Icon Status Text
TM-D700A Operation Mobile Station Location Distance and Heading from me Call and SSID Icon Direction Speed Altitude
TM-D700A Operation Weather Station Station Location Distance and Heading Call and SSID Icon Wind Direction, Speed, Temperature and Rain in Past Hour
TM-D700A Operation Packet Monitor
TM-D700A Operation Main Message Screen
TM-D700A Operation Message List
TM-D700A Operation Message Detail
TM-D700A Operation Position Time Speed Heading Altitude and Grid Square Location
TM-D700A Configuration APRS Set Internal Clock 1-6-3 (TIME) As Required Set Date 1-6-4 (DATE) Set UTC Offset 1-6-5 (TIME ZONE) Select Data Band 3-I (DATA BAND) A Packet Transfer Rate 3-J (PACKET SPEED) 1200 bps
TM-D700A Configuration APRS (Con’t) Program Call Sign 3-1 (MY CALLSIGN) W5ADC-14 Select Station Icon 3-8 (STATION ICON) Select as Desired Select Position Comment 3-6 (POSITION COMMENT) Off Duty/Returning/Priority/…/In Service Enter Status Text 3-9 (STATUS TEXT) Up to 5 user selectable Messages Packet Path 3-B (PACKET PATH) RELAY,WIDE2-2 or RELAY,WIDE
TM-D700A Configuration APRS (Con’t) Packet Transmit Method 3-C (PACKET TX) AUTO Transmit Interval 3-D (TX INTERVAL) No more often than 3 minutes Status Text Transmit Rate 3-A (STATUS TX RATE) 1/3 Can range from OFF to 1/1 to 1/8 Reception Limit 3-7 (POSITION LIMIT) OFF Can range from 10 to 2500 Position Ambiguity 3-5 (POS AMBIGUITY) OFF Can be used to limit the accuracy of the position data transmitted
TM-D700A Configuration The Easy Way Use the configuration program available from Kenwood for free. Go to www.kenwood.net and get MCP_D700.exe All you need is a computer with a serial port and a cable pinned 1-1, 2-2…9-9.
Sample Screens
Thank You And Good Tracking