[Vk5-wx-sonde] Today

[Mark Jessop]

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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