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ZTrak

Zares OpenTracker Kit

USER GUIDE

Version:

1.1

Date:

16/05/2006

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Summary of Contents for ZTrak

Page 1: ...ZTrak Zares OpenTracker Kit USER GUIDE Version 1 1 Date 16 05 2006...

Page 2: ...ounter on Transmit 16 Counter Rearm 16 Invert Carrier Detect 16 Suppress PTT Out on PTT In 16 Disable Transmit on Low Voltage 16 Allow Transmit Without GPS Lock 16 Send Telemetry Packet 16 LOADING AND...

Page 3: ...rature voltage telemetry Configuration options include call path symbol table symbol code a text message optional fixed position SmartBeaconing Compression Profiles can switch when trigged by a change...

Page 4: ...ncoded into the APRS format then transmitted to another station At the receiving end the APRS data is then decoded and displayed on a map or it is retransmitted on to the APRS radio network or sent to...

Page 5: ...ares transcei ver Tracker Uses Beacon Monitoring equipment Tracking an object APRS data it sends Station name or callsign The station type or identifier Short message text Digipeater path Current posi...

Page 6: ...2 220k RESISTOR Colour bands Red Red Yellow Gold R3 2 2k RESISTOR Colour bands Red Red Red Gol d R4 1k RESISTOR Colour bands Brown Black Red Gold R5 3 3k RESISTOR Colour bands Orange Orange Red Gol d...

Page 7: ...the components in the sequence described Resistors mount flush with the board Leads slightly bent at back to hol d the components in place while soldering Its likely this kit will be used in close pr...

Page 8: ...Mounting it flush with the lid ensures limited viewing angle You can also i ncrease the value of R4 to dim the LED This would also be a good time to drill holes to access the TX RX level pots R8 R9 Ho...

Page 9: ...d To connect to a PC a null modem cable or adapter will be required By default the OpenTracker processor expects GPS data to be in NMEA 0183 format at 4800 baud Pin no Description 1 No connecti on 2 R...

Page 10: ...IRQ if pulled to ground will force an i mmedi ate transmission 5 ADC0 on board temperature sensor 6 ADC1 on board voltage di vider provides 1 3 Vi n 7 ADC2 Spar e ADC input also used for 1 wire data b...

Page 11: ...duce the bus clock signal Audio output originates at pin 13 of the MCU This pin is configured as a timer channel output and generates a pulse width modulated signal between 0 and 5 volts Audio tones a...

Page 12: ...e receiver so that it remains closed under average channel conditions with no signals present Turn RX trimpot all the way up so that the LED remains lit or flashes very fast then turn it back down unt...

Page 13: ...by the on board temperature sensor 4 Voltage as reported by the on board voltage sensor 5 ADC Input is the value of an analogue signal connected to pin JP7 The possible values are 0 to 255 correspond...

Page 14: ...entered e g K6SYV 10 K6TZ 10 but for APRS operation a set of common aliases are usually used A suggested default path is WIDE1 1 WIDE2 1 It is rarely necessary to use a path greater than WIDE3 3 requ...

Page 15: ...ck in the same transmission Copy from Config n This button copies the contents of one profile to the other Be sure to check the profile switching options in the lower left pane if you use this feature...

Page 16: ...sed This option is not used in the ZTrak design Disable Transmit on Low Voltage To avoid over discharging batteries enable this option and enter the minimum voltage at which the tracker should operate...

Page 17: ...written by George Rossopoulos SV2AGW It can encode and decode packet tones using your computer s sound card It is particularly valuable since it can act as a host program for several good packet progr...

Page 18: ...VHF UHF ot1 300 s19 300 baud firmware 5 29 2006 APRS 300 baud AFSK for HF ot1 psk31 s19 PSK31 firmware 5 29 2006 APRS 300 baud PSK31 for HF ot1 dallaswx s19 Dallas 1 wire weather station support 11 2...

Page 19: ...reviously downloaded and saved a firmware image click File If you re the computer is connected to the Internet click Web 5 Select the location of the file you want to load or choose from the web list...

Page 20: ...255 The fields are interpreted as follows Sequence number Incremented with each transmission ADC0 Multiply by 1 9608 for temperature reading in kelvins ADC1 Divide by 17 for supply voltage readingin...

Page 21: ...the primary table place in Symbol Table field of the windows configuration program otherwise place in the field to use the alternate table Next place the character for the chosen symbol in the Symbol...

Page 22: ...Copyright 2006 ZARES ZL1CVD Amateur Radio Equipm ent Supplies all rights reserved Page 22...

Page 23: ...Copyright 2007 ZARES ZL1CVD Amateur Radio Equipm ent Supplies all rights reserved Page 23...

Page 24: ...Copyright 2006 ZARES ZL1CVD Amateur Radio Equipm ent Supplies all rights reserved Page 24...

Page 25: ...point there are a few frequencies recommended for this 70cm 432 575 MHz 2m 144 575 MHz 17m 18 108 MHz 30m 10 144 MHz It also pays to refer to the latest call book for the most accurate information Th...

Page 26: ...Copyright 2006 ZARES ZL1CVD Amateur Radio Equipm ent Supplies all rights reserved Page 26 Appendix D ZTrak Circuit Layout...

Page 27: ...n presented in this appendix has been reprinted from their public website It has not been checked by Zares and you are advised to proceed with caution In all instances check your own radio wiring befo...

Page 28: ...Copyright 2006 ZARES ZL1CVD Amateur Radio Equipm ent Supplies all rights reserved Page 28 Kenwood TH 78A TH D7A etc Kenwood with 8 pin RJ 45 Kenwood with 8 pin RJ 45 and 1 8 Speaker Jack...

Page 29: ...2007 ZARES ZL1CVD Amateur Radio Equipm ent Supplies all rights reserved Page 29 Yaesu with 6 pin RJ 11 and 1 8 Speaker Jack Icom with 8 pin RJ 45 and 1 8 Speaker Jack Kenwood and Alinco with 8 pin rou...

Page 30: ...opyright 2006 ZARES ZL1CVD Amateur Radio Equipm ent Supplies all rights reserved Page 30 Yaesu with 8 pin round Mic Jack Icom with 8 pin round Mic Jack 6 Pin Mini DIN data Jack uses Carrier detect lin...

Page 31: ...Copyright 2007 ZARES ZL1CVD Amateur Radio Equipm ent Supplies all rights reserved Page 31 6 Pin Mini DIN data 1 8 Speaker Jacks...

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