[Vk5-wx-sonde] Today

Mon Apr 8 04:38:48 PDT 2019

It seems the SGM model can cache up to 20 minutes of telemetry before
commencing transmissions.

The other possibility is Woodside barracks, which is an air defence
regiment that presumably plays with artillery related stuff.

Interesting stuff.

Erich
VK5HSE

On Mon, 8 Apr 2019 15:49 Liam Gunning via Vk5-wx-sonde, <
vk5-wx-sonde at vk5fo.com> wrote:

> Another one just up on 400.2
>
> Regards,
>
> Liam VK5LJG
>
> -------------------------------------
> Liam Gunning
> liam.gunning at icloud.com
>
> Sent from iPhone
>
> On 8 Apr 2019, at 13:52, Mark Jessop <vk5qi at rfhead.net> wrote:
>
> Apparently this type can be configured to maintain radio silence until a
> few km alt on ascent, so even DFing them might not reveal the launch site.
>
> Still, not that many places these can come from. My guess would be a
> training exercise at the RAAF base.
>
> 73
> Mark
>
> Sent by means most mobile.
>
> On Mon., 8 Apr. 2019, 14:20 Liam Gunning, <liam.gunning at icloud.com> wrote:
>
>> Another one up on 402.1
>>
>> Regards,
>>
>> Liam VK5LJG
>>
>> -------------------------------------
>> Liam Gunning
>> liam.gunning at icloud.com
>>
>>
>> Sent from iPhone
>>
>> On 8 Apr 2019, at 13:41, Mark Jessop via Vk5-wx-sonde <
>> vk5-wx-sonde at vk5fo.com> wrote:
>>
>> Mystery solved! The packets are *encrypted*!!!!
>> Did a lot of digging in the packets, and they match the format of the
>> RS41-SGM (Military) variant.
>> I suspect these are not BOM launches, but possibly from the RAAF base.
>>
>> The BOM are still waiting for their firmware patch to start launches
>> again.
>>
>> 73
>> Mark VK5QI
>>
>> Sent by means most mobile.
>>
>> On Mon., 8 Apr. 2019, 13:25 Peter Wegener via Vk5-wx-sonde, <
>> vk5-wx-sonde at vk5fo.com> wrote:
>>
>>> Another one on 401.000  now  12.50pm
>>>
>>> Peter vk5pw
>>>
>>>
>>> ----- Original Message -----
>>> From:
>>> vk5-wx-sonde at vk5fo.com
>>>
>>> To:
>>> <vk5-wx-sonde at vk5fo.com>
>>> Cc:
>>> "Steve" <vk5st at iinet.net.au>
>>> Sent:
>>> Mon, 08 Apr 2019 12:24:07 +0930
>>> Subject:
>>> Re: [Vk5-wx-sonde] Today
>>>
>>>
>>> Another one up on 402.0 now
>>>
>>> the last P series on habhub was  14hrs ago from the vasalia test site ???
>>>
>>>
>>>
>>> On Mon, 08 Apr 2019 11:48:21 +0930, Mark Jessop via Vk5-wx-sonde <
>>> vk5-wx-sonde at vk5fo.com> wrote:
>>>
>>> Not sure. Some observations by Liam shows that the sondes appear to know
>>> when they are descending, so it looks like the internal GPS is working.
>>> However, given we're not decoding anything sensible on the ground, it
>>> suggests the telemetry format has changed.
>>>
>>> I suspect it might be a few days before we have a resolution to this
>>> issue.
>>>
>>> 73
>>> Mark VK5QI
>>>
>>> On Mon, Apr 8, 2019 at 12:00 PM Steve via Vk5-wx-sonde <
>>> vk5-wx-sonde at vk5fo.com> wrote:
>>>
>>>> another signal now on 403.0 , still no decodes , perhaps the BOM is
>>>> having trouble too.
>>>>
>>>>
>>>> On Mon, 08 Apr 2019 10:12:54 +0930, Mark Jessop via Vk5-wx-sonde <
>>>> vk5-wx-sonde at vk5fo.com> wrote:
>>>>
>>>> So auto_rx is definitely detecting the sonde correctly, but it's not
>>>> extracting GPS coords from the sonde telemetry, hence why its timing out.
>>>>
>>>> The sonde in the air over Adelaide has serial R0230556, but I can't get
>>>> GPS positions out of its telemetry.
>>>>
>>>> This is going to take me a little bit to figure out. I'm also just
>>>> about to fly out from Horn Island today.
>>>>
>>>> 73
>>>> Mark
>>>>
>>>> On Mon, Apr 8, 2019 at 10:38 AM Liam Gunning <liam.gunning at icloud.com>
>>>> wrote:
>>>>
>>>>> Just had a quick look at habhub.
>>>>>
>>>>> No sondes on the map in VK at the moment.
>>>>>
>>>>> Also thought it was strange that both Perth and Melbourne set off 3
>>>>> each yesterday morning. Adelaide set off 2.
>>>>>
>>>>> I didn’t have a launch in the log for last night either.
>>>>>
>>>>> Regards,
>>>>>
>>>>> Liam VK5LJG
>>>>>
>>>>> -------------------------------------
>>>>> Liam Gunning
>>>>> liam.gunning at icloud.com
>>>>>
>>>>> Sent from iPhone
>>>>>
>>>>> On 8 Apr 2019, at 09:58, Mark Jessop via Vk5-wx-sonde <
>>>>> vk5-wx-sonde at vk5fo.com <vk5-wx-sonde at vk5focom>> wrote:
>>>>>
>>>>> Yep there is definitely something broken. Probably GPS rollover
>>>>> related.
>>>>>
>>>>> Will look into it.
>>>>>
>>>>> 73
>>>>> Mark
>>>>>
>>>>> On Mon, Apr 8, 2019 at 10:22 AM Robert Middelmann via Vk5-wx-sonde <
>>>>> vk5-wx-sonde at vk5fo.com> wrote:
>>>>>
>>>>>> Hi everyone
>>>>>> what has happend with todays sonde It was on 402mhz could hear it
>>>>>> fine on an SDR but no-one could decode it. my system would start the
>>>>>> decode process then time out. Any ideas? mybe the GPS bug has got it
>>>>>>
>>>>>> Rob VK5TRM
>>>>>>
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>>>>
>>>>
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