Messages

76

General Discussion / Re: Connect to Trig TT21

« on: July 05, 2016, 09:00:03 am »

No special tool required to put the pin in the Trig connector.
Just don't get the wrong hole as a special tool needed to extract pin!

My Trig TT21 supplier originally provided the interconnecting cable (between display unit and box of tricks). However the cable didn't include the wires for the external GPS connection but he provided those to me FOC.

My GPS mouse is a USGlobalsat BR-355-S4.

Tony Nowak

77

General Discussion / Re: Connect to Trig TT21

« on: July 04, 2016, 08:39:28 am »

I have connected a GPS "mouse" to my Trig TT21 to provide ADS-B out. Works well.
Was simple to do but you do need to have the latest Trig firmware update.

Tony Nowak

78

General Discussion / Re: COLOUR CHANGE

« on: June 10, 2016, 10:52:58 am »

I haven't trawled through all the posts on here but is the audio alert feature a wired output from PAW? I think it is.

Does anyone know if SD provides any kind of audio alert for PAW detected aircraft, like it does if you are approaching CAS etc.?
I can hear SD alerts from my Samsung S3 quite well even with my headset on. Just enough to know SD wants my attention!

Tony N

79

Technical Support / Re: Seeing Airlines only

« on: June 10, 2016, 10:44:56 am »

I have still to order my PAW but am equipped with a Trig TT21 transponder and ADS-B out.

I am based down south (at Popham) should anyone need some targets!

Tony N

80

General Discussion / Re: Aerial positions

« on: June 02, 2016, 08:30:03 am »

It is how on-line trading companies make their money!

Royal Mail First Class post in a jiffy bag should cost around GBP 2.50......
TonyN

81

General Discussion / Re: Enhancement Requests

« on: May 24, 2016, 08:35:31 am »

Wouldn't a check of the "host" PAW motion (speed) be the simplest check, as mentioned previously? If less than 20 MPH (or Kt) inhibit  all alarms?
I can't think of a "flying" scenario where this type of mask would affect real alerts when in the air.

SD uses a similar check for when to start and stop logging.
Tony Nowak

82

General Discussion / Re: When willl the PAW be ready?

« on: May 10, 2016, 08:47:47 am »

I also thought that the title "classic" was slightly confusing as usually that would refer to the original version/model.
Tony Nowak

83

General Discussion / Re: When willl the PAW be ready?

« on: May 09, 2016, 08:45:08 am »

Just a thought - can we have a new folder added to the website dedicated solely to the new PAW Classic?
Although I read all the posts on the PAW website, for a newbie, it can be quiet confusing as to what exactly one will get when purchasing a ready made and ready to go PAW Classic.
For example:
1. Will it work straight out of the box and integrate with SD running on my smartphone?
2. What are the licensing arrangements and annual costs?

etc. etc.

Tony nowak

84

General Discussion / Re: I new to this but think this is a great project but have a few things I'm not on

« on: April 01, 2016, 08:48:35 am »

Hi Lee,

Thanks for the clarification.

So, what will I need to display the position of PAW transmitting aircraft (in my vicinity) on my SD navigation device (Samsung S3 Galaxy smartphone)? I assume just the new PAW device when it becomes available (and nothing else - no additional GPS device)?

Not sure what  Moffrestorer meant by "with SD I have a feeling that you need the Collision Aware app that Lee no longer supports....."

Also just to clarify, my Trig TT21 transmits around 130W Pulse power (I think that is the correct term).
The actual DC current drawn by the transponder when in operation is between 0.4 and 0.5A.
I only have a 12V 4.5AH rechargeable battery in my aeroplane which I have to charge at home (no aircraft charging system). I get around 7-8 hours of "flying time" out of the battery and that is powering a Becker AR3210 radio and my Trig transponder.

Tony

85

General Discussion / Re: I new to this but think this is a great project but have a few things I'm not on

« on: March 31, 2016, 08:31:05 am »

I am sure it is in the documentation somewhere, but will PAW come in two versions? TX/RX and RX only?
The reason I ask is that I have a Trig TT21 with ADS-B out (NATS validated), so I am now sending my position OUT to aircraft in vicinity.

I think I am right in saying I only need the PAW receiver capability to allow me to receive other ADS-B Out transmissions and PAW transmissions from aircraft in my vicinity for display on my SD device (by wifi)?

Thinking that, if available, a RX only PAW will use less power?

Tony Nowak

86

General Discussion / Re: Verifying Mode S ES ADS-B Out transponder setup - Can PilotAware help?

« on: February 18, 2016, 09:30:22 pm »

In the day job we have had mixed success with using USB to RS-232 converter cables to communicate with Cisco routers.
In the old days, when every laptop came with an RS-232 serial interface, it was easy. Now you have to use the (modern) laptop's USB output to communicate with RS-232 devices. As I say - it is a bit hit and miss.

Do you have access to a laptop with a true RS-232 interface? You could see if the laptop sees ADS-B out data out of PAW.
Tony N

87

General Discussion / Re: Verifying Mode S ES ADS-B Out transponder setup - Can PilotAware help?

« on: February 17, 2016, 08:35:47 am »

I don't have the TT31 (I have a TT21) but, looking at the Trig installation manual, it looks like you simply connect your GPS data to pin 3 and GPS ground to pin 1 of the 12 pin connector.
Personally, I would avoid having a DB9 to Molex adapter cable. Should be fairly easy to cut the DB9 connector off and re-terminate it with a Molex connector.
Can't guarantee it until I look but I may have some Molex pins if you don't have any.
Tony Nowak

88

General Discussion / Re: Verifying Mode S ES ADS-B Out transponder setup - Can PilotAware help?

« on: January 31, 2016, 07:54:20 pm »

I now have my Trig TT21 ADS-B out configuration working and, more important, validated by NATS!
I used a US GlobalSat BR-355-S4 GPS receiver to connect to my Trig. It wasn't quite "plug and play" but not far off.

Tony (EGHP)

89

General Discussion / Re: Mode C/S

« on: December 23, 2015, 02:40:00 pm »

Hi Lee,

I was thinking Mode A and forgetting Mode C! Yes, of course you have altitude information....

I wonder if it will be possible to determine (by in-flight testing) a band of received signal levels that are most likely to indicate a potential close encounter?
For example, is there likely to be much difference in received signal levels between an aircraft transmitting at 1, 2, 5 and 10 miles away? My thinking is that you could ignore Mode C signals until they got to a level typical of, say 2 miles away.

Yes, there will be all the PAW variables you mentioned but perhaps a good starting point to possibly refine upon as more data becomes available?

As all Mode C transponders are built and tested to certified levels (I assume they are?), and most installations use standard transponder antennas, I wonder if there is really a significant difference in transmitted power from different aircraft/installations?

Tony

90

General Discussion / Re: Mode C/S

« on: December 23, 2015, 08:39:08 am »

Regarding Mode C and bearingless targets, have you looked at the Free Path Loss equation, or FRISS Transmission formula? If you Google for FRISS you will see how it may be possible to determine the approximate range of a transmitting target. Okay, it won't be very accurate or tell you where the target is in relation to a PAW device but may be of use in filtering out Mode C at FL200?
This url has a very good simple(ish) description): http://www.antenna-theory.com/basics/friis.php
TonyN