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RE: Weatronic 2.4 RF diagnostic tool - 3/14/2012 11:30 PM   
osvaldopv


 

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From: san juan, USA
Status: online 		Hi ! where can I buy the Weatronic system in USA , Modellbau usa no longer carry the units , and weatronic USA does not answer my email .

Thanks

Osvaldo

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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 8:36 AM   
zl1wn


 

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Status: offline 		What the hell is going on in Germany. Alwyns emails bounce, and when I dial 49 911 7036 it ends up with a TV company with the tel nr
49 9117030. The poor receptionist is getting a bit annoyed.
I pray we are not back in the Weatronics dark ages of no customer support and no one to talk to.

Has any one in Europe tried to get through to them????????????
Regards
Ross

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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 8:40 AM   
zl1wn


 

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Status: offline 		Adding to my previous email the numbers given for Alwyn as 49 911 7036200 show up as no such number when I dial it.!!!!!!!!!!!!!!!!

Regards
Ross

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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 8:43 AM   
peter.stegemann


 

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Status: offline 		On the german (only, for sure) website it says there new number is: +49 3375 4949463

Makes sense, as they moved to Berlin


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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 8:45 AM   
tms-ger


 

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...WEA is again moving, this time to BERLIN, about 15km away from their co-developement team called NAVTEC (navtec.de) Thus they have a new phone number which is anounced on their website:

Neue Telefonnummer: 03375 4949463

The new adress is:

Unsere neue Adresse lautet:

weatronic GmbH
Schmiedestr. 2
15745 Wildau








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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 8:47 AM   
ajs56a



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Status: offline 		The new adres in Berlin is:

Weatronic GmbH
Schmiedestr. 2
15745 Wildau


Tel.: 03375-4949463

Techn. Support: 0800-2499999



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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 9:53 AM   
HarryC


 

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Status: online 		All these moves can not be helping the situation. After the founder died, they moved. Then after not much time they moved again, to Nuremberg. That was only 4 months ago and now they move again, to Berlin!

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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 11:50 AM   
tms-ger


 

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Status: offline 		... I dont want to justify anything in this context; just hoping that there is something what these moves are good for and thus the overall situation improves (a lot)....

Be sure that in the german forum, the people (me too) also think about the sense of that moves in the past and what it is good for. At least, there must be a reason. Maybe Nürnberg was only a stratetic stop, i.e. the rooms in Kempten had to be canceled regarding time (save costs) and the new rooms in Berlin were not setup already. So they make a stop in Nürnberg. But: who knows really ?

What I know is, that those moves cost money, and if there were not any, the would not take place. Therefore I think that this is strategy, especially with the fact in mind, that they dont move somewhere but in the direct neighbourhood of their co-developers (NAVTEC) which I think do all the PCB and software work or electronic engeneering respectively . WEA itself has the ideas and does the marketing, practical testing and so on; so the development is sourced out to NAVTEC. And they are really RF-Experts for sure. So NAVTEC is the right partner for sure. And NAVTEC did this ALL THE TIME (with the beginning) for WEA. Simply look at the reference list of NAVTEC:

http://www.navtec.de/english/referenz.htm

Simply follow the 3rd link from above... This is the first 35/72 MHz receiver....




regards

Thomas


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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 12:48 PM   
luv2flyrc



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quote:

ORIGINAL: tms-ger

... I dont want to justify anything in this context; just hoping that there is something what these moves are good for and thus the overall situation improves (a lot)....

Be sure that in the german forum, the people (me too) also think about the sense of that moves in the past and what it is good for. At least, there must be a reason. Maybe Nürnberg was only a stratetic stop, i.e. the rooms in Kempten had to be canceled regarding time (save costs) and the new rooms in Berlin were not setup already. So they make a stop in Nürnberg. But: who knows really ?

What I know is, that those moves cost money, and if there were not any, the would not take place. Therefore I think that this is strategy, especially with the fact in mind, that they dont move somewhere but in the direct neighbourhood of their co-developers (NAVTEC) which I think do all the PCB and software work or electronic engeneering respectively . WEA itself has the ideas and does the marketing, practical testing and so on; so the development is sourced out to NAVTEC. And they are really RF-Experts for sure. So NAVTEC is the right partner for sure. And NAVTEC did this ALL THE TIME (with the beginning) for WEA. Simply look at the reference list of NAVTEC:

http://www.navtec.de/english/referenz.htm

Simply follow the 3rd link from above... This is the first 35/72 MHz receiver....




regards

Thomas



Thomas, thank you for the update!

Those of us that love the Wea equipment but, can't speak German are really left in the dark with this company. The German language web page is updated far more frequently than the English one and even if you run the text through google translate, it can be challenging to understand.

I've tried to look at some of the German language forums through Google as well but, the translater is awful.

We appreciate you updating us!

Regards,

Mike


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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 1:14 PM   
tms-ger


 

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Status: offline 		Hi Mike,

...I am sorry I cant give you more information at this time, thats all I know. One thing I forgot to mention that the NAVTEC logo is, beside the WEA Logo, printed von every PCB. This shows/stresses that NAVTEC is the outsourcing partner for WEA...

When you look at the other products NAVTEC does, you will find that they are very deep into RF-Projects, also regarding general aviation and navigation and rescue equipment for ships based on RF-technology. They have the acreditation for selling those products.The CEO of NAVTEC is  Prof. Dr. Anselm Fabig at the university of applied sience located in WILDAU. The new adress of WEA is located in the direct neighbourhood of this university, and in turn is located only about 15km away from NAVTECs development site. Which is in turn located in the buildings of the airport "BERLIN-Schönefeld".

So, that is really all I know about the actual situation, folks. I personallly will stick to WEA products as long as possible. I hope that they will do a productive start on their new location. Next, the new products have to become availabe. Since they have to approve them with CE und FCC (FCC shows that they always have the "US-Market" in mind) this may take a while, since these offices do not work very fast as I know...

I will keep you informed.


best reagrds from germany

Thomas


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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 1:34 PM   
exsense-Italy


 

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Status: offline 		Hello to all!
i had away for a wile because of jobs... but i follow a bit the disussion about Wea. i need only a bit time to post some interesting tests and info i have done in this period, and not will sound good unlikely...
i will try wit few words but i hope to have time to expand well
- i have done a lot of tests with the new FASST adapter for Futaba and the response is BAD! seem that we have bounched back to the PCM modulation with a lot of STEPPING movements and if you move very fast the servos go OUT OF THE LIMITS... I have 2 interesting videos about with the old module and with the new FASSt and the old one is really better and fluid.
the new FASST have the center position now in the middle and is steady without any little movement but when user try to move the movements are worse a lot then the old one. in My Composite EFA i have taked video of the CANARD when the movement is very big and the effect is visible a lot!

- About GPS
lot of customers told me that the Wea GPS is not precise. UInfortunately it is true! after a lot of test the error is really Big! but we have discovered why...
If you Open the GPS box there are 2 Boards inside, one is the GPS and another is the Wea Interface. The GPS used is an old model, very cheapy and have poor channels. whe have discovered the company that produce the GPS (not the navtec) and found in their listing the same product type but with the new SIRF STAR III protocol and a lot more channels. Else the size and connection are the same, only 2 wires must to be crossed. It can be replaced in the same identical space and the box can be closed well as the newone.
Difference? wery fast to fix, a lot more precise, and very cheapy (30-40$ i don't really remember well)

Just to connect to the discussion, This confirm that the NavTec is a great and competent company about RF andsystem base but WEA have other partners that aren't at the same level. They should consider better their partnership or products will be surpassed very fast from other companies with less ideas but more concrete asset (F.E. Jeti or MPX)

Hope i have time to post the videos and the images of my tests...




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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 2:22 PM   
HarryC


 

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quote:

ORIGINAL: exsense-Italy
with the new SIRF STAR III protocol and a lot more channels. Else the size and connection are the same, only 2 wires must to be crossed. It can be replaced in the same identical space and the box can be closed well as the newone. Difference? wery fast to fix, a lot more precise, and very cheapy (30-40$ i don't really remember well


Gianluca, my GPS is very poor and I would love to improve it, is it a replacement that I can do or does it need to be sent to Wea or someone else to do the replacement?
regards
Harry


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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 4:15 PM   
exsense-Italy


 

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Status: offline 		Hello Harry,
i don't think wea know this tip or have ideas about the solution that is so simply... they never replied to me about my poor precision question time ago... they know the problem??
but don't warry, you can do yourself if you have a minimal skil level in electronic.
just to buy the new GPS board from the producer unsolder the old GPS from the interface board than swap with the newone with attention because a wire reassignment. we have found a model with 20 channel SirfStar III that work really better than the original one. There is also a 32 channel board that should work really better but we have no test about.
i can tell you all the information about producer and assignment but i prefere in PM, only because is an experimental solution and i want to avoid any kind of problem...





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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 4:56 PM   
HarryC


 

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Status: online 		Thanks Gianluca, sent you a PM
H.

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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 5:01 PM   
exsense-Italy


 

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Status: offline 		just sent answer!
;-)



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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 5:40 PM   
tms-ger


 

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Status: offline 		I have also two GPS Modules from WEA, maybe you can send me that info as well ? I am interested in, would be nice...

But the docu states that WEA has used a ublox GPS module from switzerland which is also capable of receiving the future Galileo data beside actual GPS. As far as I know, the ublox-devices are of high quality and not easily to aquire...  All my GPS tests were exact and precise, except this one bug in GC where the data is wrong interpreted. Nevertheless I read about an issue that WEA is in the process of fixing some GPS problems. But I dont know what they are. Also, some users use the GPS output of the DV4BT (Bluetooth) for sailplane triangel-flying contests. I think this would not be possible if the GPS is inaqurate.

Is there anybody out there who uses the Bluetooth connection on the DV4BT already ? Habe some problems with it an in the german forums, there is no help available regarding this topic.


best regards

Thomas




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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 5:58 PM   
exsense-Italy


 

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Status: offline 		hi Thomas,
i hope wea have changed something inside this last period... the module we have found inside is very old and the GPS was sold last year... opening the box you can surely verify if is old or new. (mine is old)
of course i am very happy if they have done some variation inside in this last period and because there is a strong collaboration from the developers of the SkyNavigator and wea team, surely they have found the same problems in the initial tests with old chip and is possible that wea have swapped the chip to the new one.
But why they don't talk about? why i have sent many e-mail without answer?
my information surely can help customers that have imprecision on GPS because the cause should be the chip

I like so much weatronic equipments, but surely they need help to go forward not only faith...



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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 7:53 PM   
tms-ger


 

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Status: offline 		Hi Gianluca,

thanks for the prompt info :-)

I am not sure if WEA has changed something and my GPS are at least one year old...

WEA said:

"...
u-blox5 GPS & GALILEO SuperSense® GPS Chipsatz
...
Kanäle: 50 Kanäle max.
Positions UP-DATE Rate: 4 Hz
..."

So if you have opended the GPS Module already (and you did of course), you can surely tell, which ublox component is fittet, see:

http://www.u-blox.com/en/gps-modules/pvt-modules/previous-generations.html

Thus it supports Galileo, it can only be one of the two last types: LEA-5H or TIM-5H, guess it will be LEA-5H with one UART ? and only LEA-5H has 4Hz refresh rate... see also:

http://www.u-blox.com/images/downloads/Product_Docs/LEA-5_Prod_Summary%28GPS.G5-MS5-07071%29.pdf

Conclusion: One can not say, WEA has choosen a cheap GPS receiver. If you look at the other ublox products, one will find that ublox plays in the upper region of GPS suppliers. But never the less, the question remains why you get so bad results ?! Maybe you have an old Firmware on the GPS Module or something like this. At that time WEA delivered the GPS Module, the generation 5 ublox was the hottest receiver on the market, although they have now generation 6 running...

But I never heard from WEA about a FW-Update for the GPS. Maybe it can not be done from outside. It is a shame that they do not reply to your inquieries. At least they can tell you something like: "That is not supported" This may be not completely satisfying but it is an answer...
Maybe WEA gets some charges with this and another charge with that FW-level installed. And that make the difference ? Have you connected the ublox to a PC via serial port. Maybe you can see which version is installed (in a terminal proggy like TERATERM) when the device powers up or you can send an inquery string via console ?


so far

Thomas







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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 8:13 PM   
exsense-Italy


 

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Status: offline 		Thank You Thomas, i will check with my friend that have done all the tests...
but what i think now is that something has changed inside! surely they had a big stock to give away before to swap with the new chipset. what is inside mine is surely an old chipset and the error is something about 30-50 Mt !!! if my multicopter for photo and video had the same chipset i should need a long long wire to bring it back to home position ;-)

i don't know about any firmware update possible for the wea gps.

surely we will find what is happened, but our solution now work fine and very well...




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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 8:52 PM   
HarryC


 

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Status: online 		I have opened mine, it has a Navilock NL-552ETTL board which seems to be a better spec than the suggested replacement. However mine does often give significant position and flightpath errors, such as claiming I flew directly over the pits and then did 2 circles 20m behind the pits when I rarely fly closer than 40m to the front of the pits and never directly overhead or behind. So we are looking at errors of 50m and more and for significant periods of time, not just a 1 second blip. And its height recording is atrocious, it always claims I land several metres above or below the runway!! Circular manouevres like a simple circle or a loop show up as almost triangles on the ribbon on google earth because the GPS just can't keep up with a Sabre flying a huge wide slow circle!

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RE: Weatronic 2.4 RF diagnostic tool - 3/15/2012 11:48 PM   
HarryC


 

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Status: online 		On opening the GPS unit I noticed a little watch battery on the Navtek board. That implies that one day it will go flat and the GPS stop working? The instructions for the GPS unit do not mention it but that is not unusual, neither did Multiplex Profi Tx instruction manuals!

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RE: Weatronic 2.4 RF diagnostic tool - 3/16/2012 8:31 AM   
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I guess the battery is for storing last known position when operational power is removed from the GPS module. This will give you a very good first-time-to-fix if you did not change your position significantly between power-ups/usage... See it like a CMOS buffer battery in a PC... The TX-Module does also have one. Its a CR2032 used on many PC-Mainboards. It keeps the clock/date running when the transmitter ist not powered on, which will be most of the time of course.

But what is REALLY SHOCKING me is the fact, that WEA does fit other, and maybe under spec GPS Modules than the one mentioned in the Spec-Sheet handed out with the GPS modules. So it would be nice if everyone who opens his/her GPS module give us a feed back here, what GPS component is fitted. And also take a closer look in the instruction manual that did come with the module. Waht is given there ? Does it state "...with SuperSense" ? This is a registered trademark of ublox and therefore is not allowed to use on other component usage; like "Inetel inside" sticker on an AMD PC... This would be deceptive advertising!

And this would explain why we get so different experiences with the GPS and its aquracy. Please input information. At this point, I will open my GPS module and take a close look. I can say that I bought it directly when it becomes available...

Regards

Thomas





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RE: Weatronic 2.4 RF diagnostic tool - 3/16/2012 9:05 AM   
tms-ger


 

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Status: offline 		... Harry, I think I was a bit to fast with writing, the Navilock NL-552ETTL uses a / the ublox 5 module; sorry for that; had better checked it first...

Therefore in this case, WEA has integrated what they had promised. I must say i am a little bit eased....

Nevertheless is the question, why you get those bad results... Maybe it is defetive or ? Would be nice to hear from you when you have completed the "retrofitting".


best regards

Thomas




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RE: Weatronic 2.4 RF diagnostic tool - 3/16/2012 9:17 AM   
ajs56a



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Status: offline 		I have checked my GPS modul Thomas: there is a Navilock NL-552ETTL in it.

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RE: Weatronic 2.4 RF diagnostic tool - 3/16/2012 9:44 AM   
tms-ger


 

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Status: offline 		hi arnout,

nice to meet you here again rather then only in german RCN :-)  We have more freedom here... Thank you for your input regarding the GPS Module. Did you also notice what HarryC wrotes ? That the acuracy is not OK ?


regards

Thomas


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