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U3S20 balloon launched. #case


 

Happy New Year to all.
This morning was an opportunity to launch U3S20 balloon.
Weather here in NY has been terrible and today was the best shot I had in weeks so took it.
Early launch and now have to see if it will power up in the sun once it rises more.Not sure what to expect using a new GPS.
30m WSPR x 2 / 30m JT9 x 2 (WSPR dial)
20m WSPR x 2 / 20m JT9 x 2 (14.078 dial)
Jim,N2NXZ


 

U3S20 is trying to grab solar energy...I think it runs the first WSPR TX and stops.Second TX made it to JT9 but see calibration is off by 100hz high on the waterfall.Altitude is good...no WSPR data yet.

1518?-26?-1.1?1749?@?CQ?N2NXZ?FN13

1519?-26?-1.0?1749?@?4332.9?35.34


 

It's doing good, last spot shows almost 8300-meter altitude.


 

So far so good...looks like it has reached max altitude or struggling to cut into the faster moving air...both.
As odd as it sounds,this flight was weighted down as not to exceed 10000m since this new GPS is known to fail.
Typically,this design should have flown @ 10500m...extra solar cells were used for low solar angle.
One thing also seen is the solar voltage stopped working.Maybe a bad solder joint...but at least it gets power.
8280m seems to be the max altitude...stretching of balloons may occur over time.
Jim


 

Here is the link for data -


 

Hysplit shows a straight line to Europe, in just a day and a half.


 

Air currents were ideal and glad to get it in the air.
Double edge sword as the same air currents bring terrible launch weather...threading the needle :)


 

Looks like sleepy time...hope to see it appear tomorrow.


 

U3S20 alive and well this morning.? WSPR.net site is down, but the VE3CEA remote spotted it.


1324 -14? 1.0 1505 @ CQ N2NXZ GO61

1325 -17? 1.1 1503 @ 8529.1 72.62

1352 -19? 0.3 1505 @ CQ N2NXZ GO71

1353 -21? 0.2 1506 @ 8540.7 73.35


 

Good job and I hope the TELEMETRY data keeps coming...


 

This is a perfect example as to why I am using JT9 for backup data !
Excellent work Jeff and thank you...you saved a lot of effort from going down the drain :)
Jim,N2NXZ


 

2018-01-02 14:02? ?N2NXZ? ?14.097029? ?-22? ?-2? ?GO71? ?0.01? ?DF2JP? ?JO31hh? ?3509? ?70


Jonathan Bresler
 

Forgive my ignorance.
Dont know how to decode all of the fields.
Where should I look to read up on these transmissions?
My guess are:

first field is date and time (2018-01-02 14:02)? ? ? ? ??
second is callsign? ? (N2NXZ)
third is frequency in Hz? (14.097029)
fourth is ?? ? ? (-22)
fifth is ?? ? ?(-2)
sixth is ?? ? ? ? ?(GO71)?
seventh is ?? ? (0.01)
eighth is ?? ? ? ?(DF2JP)? ??
ninth is Maidenhead (JO31hh)
tenth is ? altitude units ?? ? ? ?(3509)
eleventh is ? speed units ?? (70)?

2018-01-02 14:02??N2NXZ??14.097029??-22??-2??GO71??0.01??DF2JP??JO31hh??3509??70

73
Jonathan kc3kbe

On Tue, Jan 2, 2018 at 3:59 PM, James Zelazny jr <wtfbsyt@...> wrote:
2018-01-02 14:02? ?N2NXZ? ?14.097029? ?-22? ?-2? ?GO71? ?0.01? ?DF2JP? ?JO31hh? ?3509? ?70



 

Johnathan,
You will find these field for all WSPR station in the main database.

Not sure if that link takes you there directly,just select DATABASE in the main menu and you will see the meaning of this data.
I will try to paste them here too -
Timestamp? ?Call ? MHz ? SNR ? Drift ? Grid ? Pwr ? Reporter ? RGrid ? km ? az


 

Just to make it clear that this is the standard format for all WSPR stations.
There are 2 transmissions for WSPR and the second is a bit more complicated which contains the altitude,speed/temperature/battery voltage and position.
This is explained here but quite a lot to absorb.

If you are receiving WSPR you will sometimes see "weird" calls igns and wonder what they are.This will explain those if you should happen to spot them.

and

People still ask about the telemetry they receive...hope this helps.
Jim


 

Data is piped to this site where it decodes it all into human format :)

Sadly,WSPRnet went down early this morning and was unable to get new data for today.
Jeff,KP3FT was great at finding the backup JT9 transmissions telling us it was healthy and alive today over the mid N. Atlantic.
Too bad for lack of JT9 receivers...FT8 would have yield a bunch today ,,,hint.
Jim


Jonathan Bresler
 

Jim,

Thank you very much.
Have what to read and learn now.

Jonathan

On Tue, Jan 2, 2018 at 4:49 PM, James Zelazny jr <wtfbsyt@...> wrote:
Data is piped to this site where it decodes it all into human format :)

Sadly,WSPRnet went down early this morning and was unable to get new data for today.
Jeff,KP3FT was great at finding the backup JT9 transmissions telling us it was healthy and alive today over the mid N. Atlantic.
Too bad for lack of JT9 receivers...FT8 would have yield a bunch today ,,,hint.
Jim



 

U3S20 made it over Germany today but appears to either have transmit issues or database issues.
Can not seem to figure out why so few spotting it.Especially on 20m band.
Could be anything happening at this point but hope it holds up awhile longer.
One JT9 spot although several receivers in that area...something is off.
Jim,N2NXZ


 

That's a darned good flight already!

It made it across the Atlantic.

:-)

On 1/3/2018 5:56 AM, James Zelazny jr wrote:
U3S20 made it over Germany today but appears to either have transmit issues or database issues.
Can not seem to figure out why so few spotting it.Especially on 20m band.
Could be anything happening at this point but hope it holds up awhile longer.
One JT9 spot although several receivers in that area...something is off.
Jim,N2NXZ
--
III


 

Hysplit on the HABHUB mapping shows bad news however.It may vanish a few days.
Could get lucky and get one spot mid day when the sun peaks.
But yes...glad to see it over land somewhere else besides New York :)
Jim