[OZAPRS] ISS gate RTLSDR

Matthew Cook vk5zm at bistre.net
Thu Nov 17 16:38:24 AEDT 2016


That wouldn't be unreasonable given the circumstances....

It costs real $$$ to run any APRS service and you've just got to be
thankful that someone is willing to stump the cash for your enjoyment.

So I say a big thanks !

The new 70cm downlink is a little harder to decode due to doppler... but
gpredict, a FCDP+ and a small C shim seems to take care of it...   Now to
finish off that new 70cm masthead preamp project and deploy.

73

Matthew
VK5ZM

On 17 November 2016 at 08:06, Andrew Rich <vk4tec at tech-software.net> wrote:

> Lol
>
> What a waste
>
> Andrew
>
> -----------------------------
> Sent from my iPhone
> Andrew Rich
> e vk4tec at tech-software.net
> w www.tech-software.net
> m 0419 738 223
>
> On 17 Nov. 2016, at 06:51, Marcus B <mrmabs at gmail.com> wrote:
>
> The quoted figure I have seen was US$200,000.
>
> On Wed, 16 Nov 2016, 17:46 Craig <craig at craigturner.id.au> wrote:
>
>> Anything consumes power and emits needs extensive testing and systems
>> integration.
>>
>> Power budgets, Weight budgets, space (as in rack space) positioning and
>> orientation of antennas.
>>
>> I imagine the systems engineering and integration of something like that
>> would run into the high 10's if not low 100's of thousands.
>>
>> Even if it's just swapping like for like the cost would not be trivial.
>>
>> Then the time of the crew for installation, with crew time and rest being
>> managed down to the minute. The fact that an Amateur Radio got installed in
>> the first case is fantastic.
>>
>> Sent from TypeApp <http://www.typeapp.com/r>
>> On 16 Nov. 2016, at 16:06, Andrew Rich <vk4tec at tech-software.net> wrote:
>>
>> How hard is it to run a kenwood d710 in space ?
>>
>> Seriously
>>
>> Andrew
>>
>> -----------------------------
>> Sent from my iPhone
>> Andrew Rich
>> e vk4tec at tech-software.net
>> w www.tech-software.net
>> m 0419 738 223
>>
>>  On 16 Nov. 2016, at 11:35, Grant Willis <vk5gr at bigpond.com> wrote:
>>
>>  Folks,
>>
>>  The VHF ISS digipeater I understand is off air due to equipment failure. I believe they have moved it up to 70cm until a replacement can be flown to ISS in late 2017.
>>
>>  http://forums.qrz.com/index.php?threads/aprs-by-iss-space-station-down-now-on-uhf-band.543402/
>>
>>  437.550MHz
>>
>>  The Doppler shift is going to make it hard for unattended gateways...
>>
>>  Grant VK5GR
>>
>>
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>>
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