[Vk5-wx-sonde] Proof of Hobart launches and long distance decode.

Tue Sep 4 01:53:04 PDT 2018

Hello Mark,
The would be great I am happy to provide the card or catch up with them I Melbourne with the hardware some time to see how they set there's up.
I have had several more instances of VK7 Sondes being tracked , last nigh I followed one for quite a while even though it was behind the Tasmanian main land to me as it went up over 30K but I can only track them when the local ones go's down near Melbourne out of my RX range before the VK7 one burst's
But we do also have a confirmed morning track now so that is additional proof of similar launch schedules.
I was hoping last nights would go SE as it went so high to give me a chance at the >600K range but it turned north on me and was not far enough east so I will just have to be patent hi.
Attached is the KML file from last nigh, go to Google earth, file, import, all files, then select the attachment file and run.
You should get the track on Google earth from when I started receiving it after the loss of the local one till it dropped behind the Tasmanian main land to me.
Cheers
Michael
VK3MM
I
________________________________
From: Vk5-wx-sonde <vk5-wx-sonde-bounces at vk5fo.com> on behalf of Mark Jessop via Vk5-wx-sonde <vk5-wx-sonde at vk5fo.com>
Sent: Monday, 3 September 2018 11:22 AM
To: vk5-wx-sonde at vk5fo.com
Cc: Mark Jessop
Subject: Re: [Vk5-wx-sonde] Proof of Hobart launches and long distance decode.

That can probably be arranged... I'll see if my friends who run a station in Melbourne can help out.

Cheers,
Mark VK5QI

On Mon, Sep 3, 2018 at 7:40 PM, michael mcdonald via Vk5-wx-sonde <vk5-wx-sonde at vk5fo.com<mailto:vk5-wx-sonde at vk5fo.com>> wrote:
Hi Mark,
I and my friend VK3ZYC are considering it.
I have all the hardware but would like someone to give me the initial setup on an SD card I can supply for a Raspberry PI that they run as I am not into programming any more to old hi.
I also have an RTLSDR I can dedicate to it.
I can modify  calls, paths etc once working I am sure.
Cheers
Michael
VK3MM
________________________________
From: Vk5-wx-sonde <vk5-wx-sonde-bounces at vk5fo.com<mailto:vk5-wx-sonde-bounces at vk5fo.com>> on behalf of Mark Jessop via Vk5-wx-sonde <vk5-wx-sonde at vk5fo.com<mailto:vk5-wx-sonde at vk5fo.com>>
Sent: Monday, 3 September 2018 9:18 AM
To: vk5-wx-sonde at vk5fo.com<mailto:vk5-wx-sonde at vk5fo.com>
Cc: Mark Jessop
Subject: Re: [Vk5-wx-sonde] Proof of Hobart launches and long distance decode.

Interesting information there Michael..

Are you able to set up a radiosonde_auto_rx station in your location?

Cheers,
Mark VK5QI

On Mon, Sep 3, 2018 at 6:40 PM, michael mcdonald via Vk5-wx-sonde <vk5-wx-sonde at vk5fo.com<mailto:vk5-wx-sonde at vk5fo.com>> wrote:
Hello All,
I have now seen Radio Sonde's over the ocean east of Hobart a number of times once the VK3 one drops out of my range as they are on the same frequency so it confirms they are launching them at the same time as the main land.
My maximum distance decode was 587.6K at 867 meters above the ocean
I am just using my Diamond 2/70 vertical on the house roof to an SDRplay with a 70cm preamp but am considering making a short beam and preamp for 401MHz to see if I can crack the 600K range.
There are currently 2 of us tracking in eastern Victoria, we can copy from just out of Melbourne right around to almost ground in the rangers to the north and ground if just coming easterly plus the Wagga ones when up from mid height and I have discovered the VK7 ones when the local one is out of range.
Regards all
Michael
VK3MM

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