Odd connectivity problem ...

[Seanhump]

Afternoon ..

Odd one for you to ponder over ..

I’m out in the field at the moment, using SkyDemon on an iPad with an external Bad Elf for nav duties, with PAW running via my second iPad for radar screen use ..

All working with PAW radar wise as you’d expect .. it’s stayed connected for the last 7 odd hours and running well.

However, if I try to connect SkyDemon up to it on the same iPad mini , SD throws GPS signal lost messages up on the screen (with 7 found in the bottom of the banners and doesn’t work .

SD on the iPad mini work fine with location services and another external Bad Elf....

I also tried connecting up the main iPad, and a third backup, all with the same results.

The info screen shows all the greens for adsb, gps, clients etc ...

Switching back to the browser based radar screen shows traffic as expected, as doe the traffic page !!

I’ll post pics when back at base...

Any ideas ..?  Connectivity is normally by PilotAware, but I did try the Flarm settings with no joy ...

[exfirepro]

Sean,

Initial thoughts are that your devices are getting confused by the profusion of data sources available.

Although UDP (PilotAware) connectivity has significant advantages over FLARM ‘TCP’, we (Lee) found that there can sometimes be an issue with UDP when multiple devices are connected to PAW (which devices can of course do automatically even if nominally connected to something else) and then one or more of them ‘disappears’ again from PilotAware’s ‘list’ without notice - for example if it reconnects to its original source, or simply goes to sleep.

PilotAware wants to continue sending data to each device on its ‘list’, but can no longer ‘see’ all the devices and in certain circumstances this can cause transmission of UDP data to stop completely. I think this is possibly what has happened in your case. The only ‘nagging doubt’ is that the simple ‘fix’ in the field is to change connectivity to FLARM - which you say didn’t resolve the issue. There is a proper ‘fix’ in the pipeline which has been extensively tested and will be in the next software update.

Looking forward to seeing your pics.

Regards

Peter

[Seanhump]

I understand what you're saying, but I figured I'd get at least one of the devices connected up via Skydemon ...

I tried reboots, and shutting down the browser that was running the Radar display too ...
Be interested to hear about the fix that's in testing ..

Anyways, pics attached, plus a couple from todays trip round the South and back ..

[Admin]

Hi Sean
Never seen that before
Have you tried since ?
Thx
Lee

[Seanhump]

Hi Lee

I tried again at the next site whilst waiting ... the same happens.

Will check tomorrow to see if I can easily replicate it ..

Cheers

[exfirepro]

Sean,

Ignore what I said earlier. It looks like there is something seriously strange going on here.

Your ‘Home Screen’ clearly indicates a power supply issue ‘Throttled = 0x50005’ and also a distinct lack of USB devices registered - the only USB device showing in the bottom section of the table is the WiFi dongle - even the USB Hub isn’t showing.

No SDR is registered in the USB Devices Section, yet ‘ADSB’ is ‘Green’, shows ‘Connected’ and with (+170) recent messages.

No GPS is registered in the USB Devices Section but ‘GPS’ is also ‘Green’, shows 7 satellites and a DGPS 3D Fix, but no recent messages - Msgs.=1983 (+0)

Have you checked that all the USB devices are properly seated in their sockets?

Does this imply a significant software / hardware fault Lee?

Regards

Peter

[Seanhump]

Thanks for that ...

Same again today - Radar is fine , SD not so..

All devices are plugged in and secure - cable ties stop them coming loose.... (they're not too tight, but enough to stop them moving)

[Admin]

Hi Sean,

Since the last time you successfully connected to SD, has anything changed ?

Update to SD ?
Update to iOS ?
Changed Power lead ?
Changed Power supply ?

Anything you can think of ?

Also can you post an screenshot of the logging page

thx
Lee

[Seanhump]

Hi Sean,

Since the last time you successfully connected to SD, has anything changed ?

Update to SD ?
Update to iOS ?
Changed Power lead ?
Changed Power supply ?

Anything you can think of ?

Also can you post an screenshot of the logging page

thx
Lee

Hi Lee

I think SD has been updated - I usually do that one when it's available
IOS on the ipad mini is now set at 9.3.5 - it's an older ipad and won't go any further than that

The other kit is on 11.3

The Power cable is the same - Juice Bits as supplied, as is the power supply - Dell Power Companion (I've tried both of the ones I have with the same results, and they are good for a 2.1amp output)

Nothing has changed on the PAW either - Ironically I've just tried again (on the desk at home) and it's hooked up straight away..

I'm not sure when it last connected 'successfully' as I've been using the Radar screen on it's own for a while now, with SD running separately on another ipad using the Bad Elf ...

Getting the logs now ...

[Admin]

Hi Sean,

in which case - what is different between the scenarios where it is OK, and it is not.
Thx
Lee

[Seanhump]

The difference is that the kit isn't in the Heli ..

What do you need log wise - they only go back to the startup this afternoon when it seemed ok

It's running now (on the desk again) - all the 'normal' kit in use

SD running on the ipad mini , using FLARM, and it seems to be running ..

FYI, The version of SD is 3.9.4.118 on the mini

[Admin]

Hi Sean,

Do you have the same number of devices connected now as you did in the Heli ?
Are you using the same power supply ?

The log I wanted was from the logging page (when it is not working), so the fact that it is now working is not much use I'm afraid

Thx
Lee

[Seanhump]

Yep

Same devices and PSU, all running as they would in the heli.

I'm out in the machine for the weekend (up in the Lake District) so will monitor again - plenty of time to test as it's going to be a looooong weekend

I'll snap pics of the logs should things not go to plan, along with the home and SD screens as before ...

Cheers

[Ian Melville]

Don’t you need two hands to fly a heli, and two to do a screenshot in IOS. 

[Seanhump]

That you do, and two feet, but the stick can sit between the knees and hold the aircraft level..

Sadly, the same outcome today .. I’ve plenty of pics (taken on an iPhone as opposed to iOS screen grabs) of the screens and logs .. different device so will upload later, but exactly the same.

Home screen shows a distinct lack of devices as per the original pics, radar is working 100% fine, but no SD connectivity whatsoever ... go figure...?

I’ll upload the logs for Lee when I can .

More of the same tomorrow ..!