[aprssig] M0XER-4 balloon approaching Greenland?

Samúel Úlfr Þór Guðjónsson tf2sut at ulfr.net
Wed Jul 30 13:55:45 CDT 2014


DL7AD is injecting the packets to the APRS-IS from an audio file recorded
at a station in Greenland who was listening on 70cm.
A bit confusing I guess, but no magic going on.




73 de TF2SUT - Samúel


On 30 July 2014 12:24, Gerhard.F5VAG <f5vag.eu at gmail.com> wrote:

> Steve,
>
> It seems the balloon sends telemetry in parallel on 70cm and on the
> regional APRS frequencies.
>
> http://www.leobodnar.com/balloons/B-47/index.html
>
> I don't know any further details.
>
> Concerning the mails in the Spam folder: This happens frequently if the
> mails were sent from Yahoo and AOL accounts.
>
> 73 de Gerhard, F5VAG
>
>
> On Wed, Jul 30, 2014 at 12:21 PM, Steve Noskowicz <noskosteve at yahoo.com>
> wrote:
>
>>  Gerhard,
>>   I do look at aprs.fi, but do not know enough to fully understand the
>> packets.  However, I did wonder why a DL7 would be able to report it and
>> see no stations on Greenland, so I should have questioned that position
>> right off.   I do see that the DL7 packet has the WIDE2-1 path, where the
>> others have none.
>>
>> Do you understand how Leo's balloon data gets to both the SpaceNear
>> system and the APRS-IS?  This is very confusing.
>>    Looking at Leo Bodnar, M0XER's website, there is no information on
>> those last two payloads (-3 & -4).
>> The earlier balloon payloads are all so amall that they could only have
>> the 440 50 baud tracker for the spacenear system and the spacenear map
>> shows no receivers in Canada.
>>    However, for the valid packets earlier, I could see on aprs.fi
>> that Heikki's software shows that APRS digis had received the packets. Can
>> you explain how this works?
>>
>> It will be a few more days until we will know if either one is still
>> floating.  I was watching the projected paths on the spacenear system jump
>> all around northern Canada and the Greenland area.
>>
>> I watched  the two K6RPT trans-Atlantic balloons and captured the tracks
>> and put together a presentation for my club.  The ham who took videos of
>> the launch sent them to mee and I edited them for the clup.  I recall that
>> a ham also added some invalid packets on one of those flights and did not
>> respont to questions.  I'll add Leo's balloons to my presentation.
>>
>> RE TAPR:
>> I get none of my tapr aprs sig messages back, not even in my spam folder.
>> .  I sent that last one (and this) to both you and the sig.  You are the
>> second person who said my messages apear in their spam folder.   Very
>> strange.  Perhaps I need to look at my account in the TAPR system.
>>
>> 73, Steve, K9DCI
>>
>>
>>   *From:* Gerhard.F5VAG <f5vag.eu at gmail.com>
>> *To:* Steve Noskowicz <noskosteve at yahoo.com>
>> *Sent:* Tuesday, July 29, 2014 11:30 PM
>> *Subject:* Re: [aprssig] M0XER-4 balloon approaching Greenland!
>>
>> Looking at the raw packets I'm led to believe someone played with
>> M0XER-4's beacons.
>> http://aprs.fi/?c=raw&call=M0XER-4
>>
>> 73 de Gerhard, F5VAG
>>
>> P.S.: Your messages arrive very often in the Spam folder of my Gmail
>> account.
>>
>>
>>
>>
>> On Wed, Jul 30, 2014 at 6:04 AM, Steve Noskowicz <noskosteve at yahoo.com>
>> wrote:
>>
>>
>> http://spacenear.us/tracker/
>>
>> Via DL7AD
>> 73, Steve, K9DCI
>>
>> I don't seem to be passing through the TAPR Reflector.
>>
>>
>>
>>
>
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