[OZAPRS] Telemetry experiment

[Wade Smith]

Many thanks Joe. 

__

Wade

VK1MIC.com


On 2 Jul 2020, at 23:57, Joe Nevin <joe.nevin at gmail.com> wrote:


Hi Wade
the original solution was based on a Kantronics TNC, but was upgraded a few years ago.  
The system is now looked after by others, and as for the configuration:

The APRS telemetry is generated via an Argent Data Tracker 2.
https://www.argentdata.com/products/tracker2.html

A good starting point is this wiki:http://wiki.argentdata.com/index.php?title=Main_Page

73.

Joe.  VK6ZTN



On Wed, Jul 1, 2020 at 9:59 PM Wade Smith <wade.vk1 at gmail.com> wrote:
> Hi Joe. 
> 
> Would you mind sharing some details of the remote site set up. - radio, tnc and voltage measuring etc. 
> 
> Cheers
> 
> Wade. 
> 
> On Wed, 1 Jul 2020 at 23:10, VK6ZTN <vk6ztn at gmail.com> wrote:
>> Hi Terry,
>> looks good.
>> 
>> A number of the VK6 repeaters have been using the APRS telemetry for some time to monitor the sites - as an example:
>> https://aprs.fi/telemetry/?call=VK6RTH-3&date_start=2017-07-01+13%3A02%3A24&date_end=2020-07-01+13%3A02%3A24
>> 
>> It's interesting to watch the data the remote sites can collect over time.
>> 
>> 73
>> 
>> Joe.
>> 
>> 
>> 
>> 
>> On Fri, Jun 26, 2020 at 8:35 AM Terry, VK5ATN <vk5atn at internode.on.net> wrote:
>>> One of the perhaps lesser know mini-features of APRS - and the amazing sites which give us the feedback from our activities - are the telemetry options from a station which is configured to supply them.   During the lengthy outage of VK5RLH I built a remote fill in digi - mostly for my own local interest - using some of the (spare) equipment which was back in one of the cupboards. 
>>> 
>>> The location has no mains power, so solar power needed to be set up.   Being concerned about how this would work in an un-monitored location about 15 km from home, I started to investigate further.  Initially I purchased a Microsat PLX digipeater which has the option of including the supply voltage  in the beacon string.   Looking further into the options I subsequently purchased the telemetry module which gives me 4 extra parameter measurements.  
>>> 
>>> A bit of experimentation was involved, and a few trips out to the site ensued, but it's now working more or less to my satisfaction.   The result is seen here:
>>> 
>>> https://aprs.fi/telemetry/a/VK5ATN-1
>>> 
>>> The graphs are (in order of appearance) battery voltage, charging current from the solar panel, number of packets heard by the station, number of packets digipeated by the station, and the temperature in the equipment cabinet. 
>>> 
>>> It has been - and continues to be - a fascinating exercise, and it's nice to be able to monitor the more significant details from home.   Some control over the station operation (mostly ON/OFF and transmit inhibit) can also be controlled from home.
>>> 
>>> It's possible that many of you may have already done something along these lines, but I thought I would report on one of my solo adventures in AR for possible interest.    How long will the experiment run?   I don't know.  The location of the station seems to cover quite a few spots which VK5RLH and/or VK5ATN-2 don't hear.   I'll re-assess the need as time goes on.   The equipment might just as well be doing something useful - even if it's mostly only for me - as sitting back here in the cupboard again. 
>>>  
>>> 73
>>> Terry
>>> VK5ATN  / VK5TFN 
>>> 
>>>   
>>> 
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