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OGN-R PilotAware / Re: New Stations Added
« on: August 18, 2017, 03:15:53 pm »
What is the approximate range you can receive one of the groundstations?
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General Discussion / Re: Verifying Mode S ES ADS-B Out transponder setup - Can PilotAware help?
« on: February 10, 2017, 01:17:31 pm »If anyone has a Becker BXP6401 transponder (I recall Welsh Flyer does), I complained to the company about them setting SDA=2 after they indicated they would NOT update the firmware, and the SDA setting also seemed at odds with the fact that SIL was set to zero. I let them know that they appeared to be out of step with other manufacturers in these matters.
I received a reply from their General Manager that they will update their ADS-B offerings to support this but we will have to wait until second quarter of 2016.
Hi does anyone know if Becker has updated the SDA code and if so how to resolve this for a BXP6401 already installed? Thanks
Does anyone know what the current status is on Becker transponders? Was there any update since this. Looks like they will work to transmit adsb out, but not with the correct SIL/SDA if I am reading this correctly.
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General Discussion / Re: Licensing cost
« on: December 13, 2015, 07:09:52 pm »
While 12 quid per annum may be not be very significant, I think a lot of people thought they were part of a collaborative community development, rather than beta testing something commercial in an initial free period. I think the statements about it being public domain, and criticism of Flarm may have added to that impression. Combined with the hiccups over the change of rf protocol I think some of the momentum towards universal take up could be dented very easily by changes like this.
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General Discussion / Re: Flyer Live 28th-29th November - 1 day to go
« on: November 29, 2015, 01:51:24 pm »
Time for an online progress update to be posted, surely.
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General Discussion / Re: barometer testing + PilotAware graphic
« on: November 25, 2015, 12:55:41 pm »
Looks like the 6mBar spread between the two units is within the absolute accuracy range quoted in the spec sheet? (+/- 4mBar) Thank for the link, lots of interesting info in the data sheet.
Possibly an optional calibration routine to store the pressure offset based on manually entering QFE before takeoff could be useful, but in the context of collision avoidance is an error of +/-120 feet worth bothering about? We'll be wanting a traffic warning long before that level of accuracy is needed, although obviously the more accurate it can be the better.
Possibly an optional calibration routine to store the pressure offset based on manually entering QFE before takeoff could be useful, but in the context of collision avoidance is an error of +/-120 feet worth bothering about? We'll be wanting a traffic warning long before that level of accuracy is needed, although obviously the more accurate it can be the better.
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General Discussion / Re: Flyer Live 28th-29th November - 4 days to go
« on: November 24, 2015, 01:37:37 pm »
Looks professional... 
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General Discussion / Re: Forum "noise"
« on: November 22, 2015, 08:25:30 pm »
It's actually the General Discussion forum.
The description is "Feel free to talk about anything and everything in this board".
Not the Arcane Discussion for the Gurus Only Forum...
So it looks like noise is welcome...
The description is "Feel free to talk about anything and everything in this board".
Not the Arcane Discussion for the Gurus Only Forum...
So it looks like noise is welcome...
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General Discussion / Re: Verifying Mode S ES ADS-B Out transponder setup - Can PilotAware help?
« on: November 19, 2015, 02:53:11 am »
This means the permissible SIL and SDA values for non-certified GPS sources prevent that data from being used on approved Cockpit Display of Traffic Information (CDTI) devices. I would not be surprised if you found this situation bizarre, particularly because EASA have approved the installation of PowerFLARM in AC23 type aircraft and PowerFLARM does not have a certified GPS source.
Wow... I wonder how many people who joined the NATS trial realised that the settings meant the transmission would not be used by anyone except Flight Radar 24... I'm out, and staying with a plain vanilla non ADSB transponder.
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General Discussion / Re: Verifying Mode S ES ADS-B Out transponder setup - Can PilotAware help?
« on: November 18, 2015, 12:12:32 pm »I understand that CAT TCAS will ignore traffic broadcasting SIL=0/SDA=0. I don't know whether CAT TCAS will respond differently to SIL=0/SDA=2 traffic broadcasts.
Right now if i understand correctly CAT TCAS will interrogate and react to my Mode S transponder which has no ADSB output. Presumably this will continue to work and it would only be the gps position data from my ADSB transmission that would be ignored by TCAS?
Otherwise adding ADSB would be a backward step...
The more I read about this, the less I see the benefit of my adding ADSB out. What's the point if TCAS systems will ignore it.
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General Discussion / Re: Verifying Mode S ES ADS-B Out transponder setup - Can PilotAware help?
« on: November 18, 2015, 10:47:29 am »
What exactly are the implications for the whole ADSB system of an aircraft transmitting SDA=2 instead of 0?
Will TCAS systems react differently? ATC? UK only? What are the actual differences in how elements of the system react.
It seems the CAA, NATS, or whoever have chosen a pretty obscure workaround to enable use of uncertified gps, that was never envisioned by a lot of the hardware designers.
One wonders if the side effects this is causing are a lot more likely to cause problems than just transmitting the SIL=0, SDA=2, with an uncertified gps as position source.
Will TCAS systems react differently? ATC? UK only? What are the actual differences in how elements of the system react.
It seems the CAA, NATS, or whoever have chosen a pretty obscure workaround to enable use of uncertified gps, that was never envisioned by a lot of the hardware designers.
One wonders if the side effects this is causing are a lot more likely to cause problems than just transmitting the SIL=0, SDA=2, with an uncertified gps as position source.
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General Discussion / Re: DVB-T USB dongle getting very hot
« on: October 25, 2015, 12:08:47 am »
I use a full size one, that gets a little warm, but definitely not hot.
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General Discussion / Re: Runway HD on Iphone display delay?
« on: October 24, 2015, 04:20:28 pm »
Must be behaving differently on the different generations of iPhone, or something else different about our setups. I was using the iPhone 6 for Runway HD, with collision aware running on the iPad, I'll maybe try with everything on the iPhone and see if it still looks ok as well.
I still don't know if Runway HD gives collision warnings, or just shows the traffic. I was on the ground today a few hundred metres from a hovering helicopter with ADSB which showed up OK, but I didn't get any warnings, although I wasn't moving so don't know if that would inhibit any warnings.
I still don't know if Runway HD gives collision warnings, or just shows the traffic. I was on the ground today a few hundred metres from a hovering helicopter with ADSB which showed up OK, but I didn't get any warnings, although I wasn't moving so don't know if that would inhibit any warnings.
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General Discussion / Re: Runway HD on Iphone display delay?
« on: October 23, 2015, 11:21:26 pm »
Just tried on iPhone 6 and iPad , and within about two seconds of switching off the Pilotaware I get a big red error message on Runway HD saying "Loss of FLARM Data", and the traffic disappears. Seems to be working OK and detecting the loss of the PAW right away here.
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General Discussion / Re: RF Board Progress
« on: October 23, 2015, 07:13:12 pm »
Interesting stuff. So no compatibility across different hardware even with the right software. Wonder how many people have bought the ARF module though, might dent confidence in the whole thing if a lot of these are suddenly no good after all the effort being invested in airborne testing, etc.
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General Discussion / Re: RF Board Progress
« on: October 22, 2015, 11:13:44 pm »
I don't know a lot about the hardware available and what open standards there are in this type of application, but is there a possibility of selecting a generic type that has multiple suppliers, in the same way as the TV dongle where there are multiple suppliers using the same chipset.
Being tied into a proprietary type available from only one supplier looks like it could make the PAW project a bit of a hostage to events.
Being tied into a proprietary type available from only one supplier looks like it could make the PAW project a bit of a hostage to events.
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