[OZAPRS] Telemetry experiment

[VK6ZTN]

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
> <http://microsat.com.pl/product_info.php?products_id=54&osCsid=8ff64890ac0dfd9cc1be5aa744930ec5>
> which has the option of including the supply voltage  in the beacon string.
>   Looking further into the options I subsequently purchased the telemetry
> module <http://microsat.com.pl/product_info.php?cPath=21&products_id=118>
> 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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