[OZAPRS] Telemetry experiment

Jack Schultz jack at contrillion.com
Sun Jun 28 17:31:55 AEST 2020


Looks very interesting Terry, thanks for sharing.

Just wondering what the 'Is' parameter is? (second graph via that link)

Cheers,
Jack VK3FJTS

On Fri, Jun 26, 2020 at 10:35 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
>
>
>
>
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> Virus-free.
> www.avast.com
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
> <#m_1292885733345573292_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
> _______________________________________________
> OZAPRS mailing list
> OZAPRS at aprs.net.au
> http://lists.aprs.net.au/mailman/listinfo/ozaprs
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.aprs.net.au/pipermail/ozaprs/attachments/20200628/9493a492/attachment.htm>


More information about the OZAPRS mailing list