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The EYTraker unit is a complete real time
APRS tracking solution by providing the user with an onboard GPS device, a 4G
LTE module with SIM card holder and an integrated micro-controlled management
system to control the OEM modules. There is no need for any additional
radio or GPS equipment, the EYTraker does all the tracking, in a small form
factor, directly onto aprs.fi
or any APRS compatible software systems, ANYWHERE in South Africa! The tracking unit will operate across
South Africa where there is GSM coverage. This fact being the big advantage
of this tracking unit, there is no need to be within the range of an APRS digital
repeater for this unit to function and relay position. The firmware for the current EYTraker
units is open source that can be made available upon request via email. This
is to protect the APRS network from unlicenced users. |
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Current available tracking units: |
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EYTraker V6
2G |
EYTraker V8
LTE |
EYTraker V9 LTE |
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This version of the EYTraker uses the
GSM 2G network to connect to the APRS internet servers and can by unreliable
due to 2G network congestion and oversubscription. There are two versions of
this model based on the temperature measurement method being analogue with a
LM35 or digital based on DS1820 IC. SimCOM
SIM808 module |
The EYTraker was ported to a larger
microcontroller and by utilising the 4G or LTE network for data transport the
tracking reliability has increased. SimCOM A7600
module |
The LTE unit is used in favour of a
cheaper CAT 1 LTE module. SimCOM
A7670E module |
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Firmware: V6.37 - SIM808 2G Module |
Firmware V8.21f - A7600 LTE Module |
Firmware V9.15q - A7670 LTE module |
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Microprocessor: ATMega
328 |
Microprocessor: SAMD21 |
Microprocessor: SAMD21 |
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Legacy tracking units still active |
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EYTraker V3 2G |
EYTraker V4 2G |
EYTraker V5 Pro 2G |
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All three of the legacy units are based
on the Telit GM-862 GSM / uBlox Module on a custom
PCB using a PIC18F252 microcontroller.
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All three of the legacy units are based
on the Telit GM-862 GSM/GPS Module on a custom PCB using a PIC18F252
microcontroller.
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All three of the legacy units are based
on the Telit GM-862 GSM/GPS Module on a custom PCB using a PIC18F252
microcontroller. This unit was updated with a switch mode
power supply and also featured a messaging
microcontroller.
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Firmware: V3.33 - Telit 2G + uBlox Module |
Firmware V4.14 – Telit 2G/GPS Module |
Firmware V5.12 – Telit 2G/GPS module |
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Microprocessor: PIC18F252 |
Microprocessor: PIC18F252 |
Microprocessor: PIC18F252 + 16F84 |
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Availability |
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Due to the configuration of the
EYTrakers, the units can be constructed and configured without any complexity
by any amateur with basic project construction knowledge. I do make complete
units available from time to time so drop me an email to discuss. Please look at the EYTraker V9
page for more info on the components need to construct
and configure the tracking unit. The SIM808 can be purchased from Micro Robotics
but the SIM7670E is only available from Makerfabs in China. I have stock of the units from
time to time so check in with me if you are interested in a unit. The SIM7600
Cat4 LTE model is sold by Micro Robotics
but is out of stock at time of writing. |
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More information |
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The APRS-ZA
Java server now has a fixed IP address and is hosted by GamCo
in Rosebank. This change will provide power supply and network connectivity redundancy
for the APRS community in South Africa. Status
Page: http://www.aprs-za.com:14501 The APRS identifier for
the EYTraker has been updated to APCLEY from the original APGPRS. This identifier
conforms to the APRS identifier list. The list can be found here: APRS UNProto List *****
Please Note: EYTraker is only available to Licensed Radio Amateurs ***** Please drop me an email if
there is any additional information that is not covered on this website. APRSTM is
a registered trademark of Bob Bruninga (SK) WB4APR. Last Updated: 08 May 2024 Contact: zs6ey at eytraker.com |
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