[OZAPRS] LoRA tracking

[Dave]

The Jaycar gateway is a Dragino. I've seen an Aus site with them 
https://www.iot-store.com.au/collections/iot-networking-comms/LoRa-IoT 
and at about 2/3 Jaycar prices too.

I believe that 915Mhz is recommended in Aus.

Dave


On 7/11/2017 7:11 PM, Mark Jessop wrote:
> Nice descriptive reply there...
>
> Not quite sure why we're talking about LoRa in the Australian 
> *APRS* list, but anyway...
>
> Cheap LoRa Arduino Shield: 
> https://www.seeedstudio.com/Dragino-LoRa-Shield-support-433M-frequency-p-2672.html 
> (similar available for 915 MHz).
> LoRa Raspberry Pi Shield: 
> http://www.dragino.com/products/module/item/106-lora-gps-hat.html
> ... and probably something similar available from Jaycar, I guess?
>
> We've been using LoRa modules in the Project Horus 'flight 
> termination' payload (which also has GPS tracking) for a few years 
> now. We run them on the 434 MHz ISM band at 25mW, for command & 
> control of the cutdown mechanism (nichrome wire). We have a whole 
> ecosystem of software based around communicating with the cutdown 
> payload and transferring data around the chase car's network.
> Ground Station: https://github.com/projecthorus/HorusGroundStation
> Payload: https://github.com/projecthorus/FlexTrack-Horus
>
> Quite a few libraries around to talk to the LoRa ICs (usually a 
> Semtech SX127x series chip).
> Python Library for use on a Raspberry Pi: 
> https://github.com/mayeranalytics/pySX127x
> Arduino Library: http://www.airspayce.com/mikem/arduino/RadioHead/
>
> Unfortunately the LoRa modulation scheme is patented, so use of it on 
> the amateur radio band is a bit contentious. At the very least, 
> there's a reverse engineered gnuradio library available: 
> https://github.com/BastilleResearch/gr-lora
>
> 73
> Mark VK5QI
>
>
> On Tue, Nov 7, 2017 at 5:58 PM, Andrew Rich <vk4tec at tech-software.net 
> <mailto:vk4tec at tech-software.net>> wrote:
>
>     Jaycar
>
>     Sent from my iPhone
>
>     On 7 Nov 2017, at 5:13 pm, Justin Albury <justin at jacomms.com
>     <mailto:justin at jacomms.com>> wrote:
>
>>     Whats involved in (hardware) for the LoRA projects??
>>
>>     Any links??
>>
>>     Justin Albury
>>
>>     J Albury Communications
>>
>>     justin at jacomms.com <mailto:justin at jacomms.com>
>>
>>     0417246791
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>>     *From:*OZAPRS [mailto:ozaprs-bounces at aprs.net.au
>>     <mailto:ozaprs-bounces at aprs.net.au>] *On Behalf Of
>>     *vk4tec at tech-software.net <mailto:vk4tec at tech-software.net>
>>     *Sent:* Tuesday, 7 November 2017 11:50 AM
>>     *To:* 'Australian APRS Users' <ozaprs at aprs.net.au
>>     <mailto:ozaprs at aprs.net.au>>
>>     *Subject:* [OZAPRS] LoRA tracking
>>
>>     Playing with GPS / Arduino and LoRA 915 MHz modules
>>
>>     Andy VK4TEC
>>
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