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Messages - Robski

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31
Technical Support / Re: Skydemon time out
« on: February 12, 2017, 07:27:55 am »
Yet another reason to use Android...  ;)

Rob.

32
Technical Support / Re: Licensey stuff
« on: February 11, 2017, 11:33:19 pm »
Will do.

Expecting the new Pi on monday.

Thanks.
Rob

33
Technical Support / Re: Licensey stuff
« on: February 11, 2017, 01:10:16 pm »
The setup in question has been updated to the new bridge and the license code was redeemed then, but against a RPi B+.

It has been working well for the last 6 months in that configuration.

We now want to update the setup to a RPi 2 so that Mode S / C and chatty functionality becomes available.

My understanding is it will need a new license as the RPi's mac address is going to change.

The license page at http://pilotaware.lode.co.uk seems to cover a bridge purchase or a system purchase.
Our circumstance seems to not be covered. I guess it's more like a renewal, which nobody is doing yet.

I hope that clarifies things...

Regards,
Rob

34
Technical Support / Re: Cannot make PAW update to latest software 20161124
« on: February 11, 2017, 05:15:24 am »
Current version is 20160708.
That is the problem.

USB update only arrived with the September release, I believe.

Made the same mistake myself. RTFM.

35
Technical Support / Licensey stuff
« on: February 11, 2017, 05:02:06 am »
Hi all.

I am upgrading a friend's PAW. He has an originally home built one (R Pi B+) that has been updated to a shield.
He now wants ModeC/S options so we'll fit his kit onto a R Pi 2.

I can't remember if it is the Pis mac address, or the wireless one that is 'licensed'.

Also, which option on the license generator webpage should we use, if necessary?

Thanks,
Rob.

36
General Discussion / Re: Stock levels and Micro SD card
« on: February 11, 2017, 04:08:06 am »
Hi mo0g,

Unless you have most of the bits already I would buy a ready built and tested PAW.

I built mine back in the early days using a model B+ using a slice of pi and soldering iron etc, so assembling one doesn't bother me. It's just a question of economics now. There's very little to be saved building your own, and the chances of getting a wrong bit (wrong wireless network usb for example) is quite high (e.g. suppliers advertise one chipset but supply another).

Rob

37
Technical Support / Re: 12v to 5 v power supply
« on: November 23, 2016, 02:43:56 pm »
I use one of these to run both my SD Nexus 7 and PAW:

https://www.amazon.co.uk/gp/product/B00OUK0N26/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1


I cut the ciggy lighter plug off and wired it into a fuse on the RV's avionics bus. I have heard this in not recommended, but it seems to work fine.

38
Technical Support / Re: Mode-CS (Beta)
« on: November 23, 2016, 02:30:19 pm »
...about 40% of all transponders in the UK are still reckoned to be Mode 'C'...
Sounds like a low estimate to me!

39
General Discussion / Flyer Live
« on: November 22, 2016, 03:05:17 pm »
I understand you will be displaying PAW at Flyer Live at Telford in December.

Will all the bits and pieces be for sale there?
Just debating whether to order a dipole for delivery or get one there and save the postage.

40
General Discussion / Re: P3I Antenna Location in metal aircraft
« on: November 22, 2016, 02:56:58 pm »
The world of RF is a complex beast...
I do understand, hence asking the questions in the first place.

I used to play with CB radios (27 Mhz) when I was a kid, making longwire antennas etc.
It taught me a moderate amount (SWR, propagation patterns, polarisation etc) but opened my eyes to just how much I didn't know (such as the way the characteristics of transmitters and antennas change with frequency).

Thanks to everyone for the input!

Going to resist the urge to get the drill out for now and try the dipole up higher in the screen near (not next to!) the roll-over bar and strut. That location has worked very well for GPS antennas.

41
General Discussion / Re: P3I Antenna Location in metal aircraft
« on: October 11, 2016, 03:16:12 pm »
Thanks for the post. I will proceed accordingly!

Speed I mentioned is VNE. Don't normally go that fast - just once a year for the flight test. Still don't want damage from that one occasion, though.
Normally cruise between 140-160 mph, depending on mood, schedule, daylight and fuel burn.

42
General Discussion / P3I Antenna Location in metal aircraft
« on: October 10, 2016, 04:28:26 pm »
Hi all.

I have an RV-6. I have put the PAW with the P3I antenna on the coaming as suggested to get it as high as possible with as clear a view as possible. However I get screening from the rear fuselage so my flying chums, also with PAW units, cannot see me and I cannot see them when we are all on the same track. This is precisely the sort of scenario when we need to be able to see each other (1-5 miles apart, not close formation, all heading to the same destination).

An external antenna would seem to be the solution.
The offered one is this http://pilotawarehardware.com/product/tuned-monopole-whip/.

However the info on it is a tad scant, aside from it needing a ground plane (not an issue on an aly airframe).
Is it definitely weatherproof?
Does it include all mounting hardware?
Will it put up with high airspeeds (210mph for the RV-6's VNE, more for RV7s, 8s and 10s).
How long can the lead be?
What is the end connector?

Next question is whether to mount the above monopole on the topside or underside of the aircraft?
Has anyone tried either, and with what results?
Is both, diplexed, an option?

Anybody have experience/solutions for any of this?
I am reluctant to drill holes in the plane without any kind of idea as to whether it is a good position or not.
Presumably other RV's, Sport Cruisers, Zenairs and other low wing, highish turtledeck metal aircraft have similar issues.

43
General Discussion / Re: Software updates
« on: June 20, 2016, 07:25:11 am »
How about putting the files on a memory stick and plugging that in?
That sounds like a goer of an idea. Garmin etc. stuff uses that approach.
Much less scary for Joe Public than plugging RJ45's into routers.
Also means the PAW can stay installed, which I think is where we came in...

44
General Discussion / Re: How to stop transmissions
« on: June 20, 2016, 07:02:34 am »
So I can transmit both ADS-B and PAW (not sure why I would need to?  :) )
Because when it comes to conspicuity more is better?

45
General Discussion / Re: Results and setups
« on: June 20, 2016, 06:56:24 am »
Buying the commercial lead and chopping it up to work out the connections is a great idea. Trying to solder up the 4 ring jacks is horrible.
Agreed!
Even a 'personal stereo' 3 ring is fiddly.

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