31
General Discussion / Re: Transceiver Interference
« on: December 14, 2015, 05:15:54 pm »
It doesn't necessarily need to be metal to shield the noise.
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32
General Discussion / Re: Custom enclosure
« on: December 09, 2015, 06:51:33 pm »
It's a much bigger volume and the commercial firms offering the higher quality materials seems to be going on overall size of part rather than just volume of material used.
I'm more interested in your usb port mod. What skill level is required to pull that off?
I'm more interested in your usb port mod. What skill level is required to pull that off?
33
General Discussion / Re: Custom enclosure
« on: December 08, 2015, 10:01:38 am »Rg.
I agree too expensive. But Good idea. Your second option looks more promising. Can you dicribe the standoff a little more please. Will the standoff fit the holes in the Pi board and allow the enclosure to be screwed together? You mention cutout? Is this for the power supply use plug?
Standoffs would allow the pi board to be screwed down. The enclosure snap fits together without screws.
Cut outs would be to allow pi ports to be access etc.
34
General Discussion / Re: Custom enclosure
« on: December 08, 2015, 07:40:49 am »
The unit I modeled is coming out at around £30-40 to have 3D printed and even more to have printed in ABS. While this might be OK for a one off prototype I think its way too expensive.
A bespoke snap fit enclosure like this (X=60.00 Y=140.00 Z=25.00) would cost a one off fee of £195 for design to have stand offs and cut-outs inserted then unit costs of less than £12 (based on 25 units) and as low as £7.
Alright if enough people want to enclosure to protect the dongles hanging out of the pi.
A bespoke snap fit enclosure like this (X=60.00 Y=140.00 Z=25.00) would cost a one off fee of £195 for design to have stand offs and cut-outs inserted then unit costs of less than £12 (based on 25 units) and as low as £7.
Alright if enough people want to enclosure to protect the dongles hanging out of the pi.
36
General Discussion / Re: flarm internal antenna
« on: November 21, 2015, 08:32:14 am »
Did you get any feedback from the radio hams on that antenna?
I haven't purchased one yet. What sort of connection does it have? Any adapters required to hook it up to the ARF?
I haven't purchased one yet. What sort of connection does it have? Any adapters required to hook it up to the ARF?
38
General Discussion / flarm internal antenna
« on: November 11, 2015, 06:21:53 am »
Is this sort of thing likely to be any good on the ARF side of things? http://www.air-store.eu/1000027
Looks like it could be a neat solution allowing PAW to be safely stowed.
Looks like it could be a neat solution allowing PAW to be safely stowed.
39
General Discussion / Re: Mode C
« on: November 04, 2015, 01:59:20 pm »
are you able to read the ALT info from the transponder response to the ground stations or are you just trying to work it out?
40
General Discussion / Re: Custom enclosure
« on: October 24, 2015, 04:59:05 pm »
This is the kind of thing I'm thinking...all snap fit with dongles safely inside. i'll wait and see whats going to happen with the ARF first
41
General Discussion / Re: RF Board Progress
« on: October 23, 2015, 11:50:13 pm »
I saw this as well. Interesting that it's a battery operated, carry - on device and not requiring externally mounted antenna. There must be hope that PAW can do this as well...
42
General Discussion / Re: FLARM
« on: October 19, 2015, 12:35:54 pm »
I've seen a flarm device that will detect flarm proximity only as a bearingless target if no antenna attached....would it be possible for paw to do.this without decoding the flarm transmission ?
43
General Discussion / Re: Long Marston Test 17 October
« on: October 17, 2015, 06:37:13 pm »
This looks good. ..where were the units located, power supplies used, etc etc 
44
General Discussion / Re: Trasponder C mode
« on: October 16, 2015, 03:45:41 pm »sorry let me clarify - it is the vertical height difference I am interested in, eg
+/- 250ft RED
+/- 500ft AMBER
+/- 1000ft GREEN
The diameter of the circle is the indication of range (derived from signal strength)
Sounds good also.
45
General Discussion / Re: Trasponder C mode
« on: October 16, 2015, 02:41:32 pm »
Well if you could detect mode c at say 3, 1 & 0.5nm (of course accepting it's may not be accurate ) that would be incredibly valuable.