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Aircraft Data Decoding A forum to discuss decoding the various data transmissions such as ACARS, Mode-S, ADS-B, etc.

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  #21 (permalink)  
Old 03-06-2011, 4:04 PM
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I provide for Plane Plotter database along with Plane Finder!
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Old 04-04-2011, 3:37 PM
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My microADSB was delivered today. Shipped February 24, arrived April 4. So, be prepared to wait.

Now I get to play with it.
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Old 04-04-2011, 6:41 PM
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Quote:
Originally Posted by DaveNF2G
My microADSB was delivered today. Shipped February 24, arrived April 4. So, be prepared to wait.

Now I get to play with it.
Told you it would take a while, but It's worth the wait!
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Old 04-07-2011, 10:58 AM
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Yep! I believe I have become the first GS/MU station using the microADSB. It's not as easy to set up as the more expensive brands, but it works at least as well and introduces some features that are absent in my ANRB box.
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Old 04-07-2011, 1:11 PM
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Quote:
Originally Posted by DaveNF2G
Yep! I believe I have become the first GS/MU station using the microADSB. It's not as easy to set up as the more expensive brands, but it works at least as well and introduces some features that are absent in my ANRB box.
I tried to set mine up but having issues with router. maybe I can contact you off board.
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Old 04-08-2011, 7:18 PM
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I had a similar problem the first time I ran the function test. Fortunately, the computer on which I use the micro does not get a new IP address very often. I set up the port forwarding for Port 9742 UDP in my router's configuration and got that straightened out.

I got the same router related message on the raw data transfer test, but that's not what the problem was as my port forwarding was working properly. Turns out the number 3 DIP switch must be ON for multilateration.
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Old 04-08-2011, 9:18 PM
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Quote:
Originally Posted by DaveNF2G
I had a similar problem the first time I ran the function test. Fortunately, the computer on which I use the micro does not get a new IP address very often. I set up the port forwarding for Port 9742 UDP in my router's configuration and got that straightened out.

I got the same router related message on the raw data transfer test, but that's not what the problem was as my port forwarding was working properly. Turns out the number 3 DIP switch must be ON for multilateration.
Ah ha! I'll try that when I get home. Wasn't aware of that. How did you figure that out?

UPDATE....Well hot damn. It's working with DIP 3 "On". Another MLAT Station in the SF Bay Area!

Last edited by kma371; 04-08-2011 at 10:15 PM..
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Old 04-11-2011, 4:04 PM
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Do these ADS-B sharing sites providtracking for military aircraft? How about civilian aircraft that have 'blocked' their tracking on sites like www.flightaware?
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Old 04-11-2011, 4:42 PM
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Quote:
Originally Posted by b52hbuff
Do these ADS-B sharing sites providtracking for military aircraft? How about civilian aircraft that have 'blocked' their tracking on sites like www.flightaware?
Yes and yes.

Some military flights have ADS-B (E6B's) some do not. MLATs (using signals from ground stations, software predicts location) are possible with Mode S only radar which all aircraft has.

We are receiving data directly from the aircraft so they can't block it.

Last edited by kma371; 04-11-2011 at 4:45 PM..
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Old 04-11-2011, 6:03 PM
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Thanks. I had seen the volumes of ads-b logs on various lists (e.g. milcom.qth) and blogs (e.g. larry's milcom blogspot), but didn't know if they blocked military flights as a matter of policy on the flights.

What are the choices of ads-b receivers? You have a microadsb. There is also the SBS-1. What other choices and is there a good place to read competitive reviews?
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Old 04-11-2011, 6:08 PM
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Quote:
Originally Posted by kma371 View Post
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Yes and yes.

Some military flights have ADS-B (E6B's) some do not. MLATs (using signals from ground stations, software predicts location) are possible with Mode S only radar which all aircraft has.

We are receiving data directly from the aircraft so they can't block it.
What!?!?!? I have never seen a military aircraft on my radar with ADS-B! Some DO provide Mode-S though, where I catch alot of tankers, transports, and other types of non-fighter/attack aircraft, and I haven't seen any any of the fast movers (fighters) use Mode-S (Way different in Europe!).

Same goes with props- I have only caught a C-182 once, and a few other small props with Mode-S. Don't expect to see them on ADS-B though, along with military.

Mode-S or ADS-B is not required in the united states; but is getting more popular, and will continue to grow.

As for the blocked- yes, and no. Depends if the aircraft has Mode-S and ADS-B. I have caught the WWE plane (forget tail) on Mode-S, but not ADS-B.

Keep in mind the list people put out are Mode-S logs, not ADS-B logs. Some may be equipped with ADS-B (Tracking) though. You have to have Mode-S to have ADS-B.

Read up on Wikipedia about it- there is a great article to understand it better on there, with all types of transponders.
http://en.wikipedia.org/wiki/Transponder_(aviation)
http://en.wikipedia.org/wiki/Automat...ance-broadcast
http://en.wikipedia.org/wiki/Next_Ge...rtation_System
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Last edited by CalebATC; 04-11-2011 at 6:16 PM..
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  #32 (permalink)  
Old 04-11-2011, 7:34 PM
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Every time I've seen an E6, it's had ADS-B. Saw a C5 the other day too, but that was the first time I saw that.

With MLATs, you can get position on aircraft not transmitting ADS-B, so like I said before, if you have enough ground stations receiving the military aircraft or any aircraft for that matter, you can get an MLAT position.

Finnaly, there is nothing blocked. If you get it on Mode S and not ADS-B, it just means it doesn't have ADS-B.



Quote:
Originally Posted by CalebATC View Post
What!?!?!? I have never seen a military aircraft on my radar with ADS-B! Some DO provide Mode-S though, where I catch alot of tankers, transports, and other types of non-fighter/attack aircraft, and I haven't seen any any of the fast movers (fighters) use Mode-S (Way different in Europe!).

Same goes with props- I have only caught a C-182 once, and a few other small props with Mode-S. Don't expect to see them on ADS-B though, along with military.

Mode-S or ADS-B is not required in the united states; but is getting more popular, and will continue to grow.

As for the blocked- yes, and no. Depends if the aircraft has Mode-S and ADS-B. I have caught the WWE plane (forget tail) on Mode-S, but not ADS-B.

Keep in mind the list people put out are Mode-S logs, not ADS-B logs. Some may be equipped with ADS-B (Tracking) though. You have to have Mode-S to have ADS-B.

Read up on Wikipedia about it- there is a great article to understand it better on there, with all types of transponders.
http://en.wikipedia.org/wiki/Transponder_(aviation)
Automatic dependent surveillance-broadcast - Wikipedia, the free encyclopedia
Next Generation Air Transportation System - Wikipedia, the free encyclopedia
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Old 04-11-2011, 7:38 PM
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Wow, that's surprising. I have had some E-6's, but they don't have ADS-B. Danget! Send some of those ADS-B equipped birds this way!!!

I thought you had the two confused, my apologies!
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  #34 (permalink)  
Old 04-12-2011, 1:23 AM
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Download the FREE guide to radarspotting in PDF format. Talks about ADS-B receivers,etc...
http://radarspotters.eu/guides/radarspottingguide.pdf
Forum:
http://www.radarspotters.eu/forum/index.php

Go to Albert's Live-Mode-S Military website for Mode-S/ADS-B logs!.

Click link for the Military Planes with ADS-B page.
Mode-S starting with AE and AD = United States Military Aircraft.
http://www.live-mode-s.info/PublicArea/PublicArea.php

Refresh this page for ADS-B aircraft showing on the map.
Main Page.
http://www.live-mode-s.info/geo/index2.php
North West America
http://www.live-mode-s.info/geo/northwestamerica.php
North America - Northeast Sector
http://www.live-mode-s.info/geo/northeastamerica.php

If you know the E-6 is flying you can find it on few sites like.
From users uploading their ADS-B data to the sites.
http://planefinder.net/
http://www.flightradar24.com/ (You can go back 14 days to play back past flights.)

This site has some local pages showing both Mode-S & ADS-B on the page.
http://www.radarvirtuel.com/ - Links: Paris - Zurich - Geneve - Luxembourg - Malaga - Biarritz -
Powered by Virtual Radar Server


Users can feed the ADS-B hub data into their COAA PlanesPlotter software.
adsbhub.net - open sharing of ads-b data
http://www.adsbhub.net/index.php/ads-b-statistics/

Aurora Eurotech - www.auroraeurotech.com
Kinetic Avionic Products Ltd - www.kinetic-avionics.com
PlaneGadget Radar - www.radargadgets.com
microADSB-USB receiver - www.microadsb.com/ - Very good price of 100USD + shiping ($8)

YahooGroups:
RadarBoxUSAlogs - United States
http://groups.yahoo.com/group/radarboxusalogs/
Mode-S Logs from users world wide.
http://groups.yahoo.com/group/Mode_s/
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  #35 (permalink)  
Old 04-15-2011, 12:58 AM
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WW7Y(xS) is just north of me about 60 nm
hJ to the south west in Colorado about 150 nm

Doing 2xACARS and 1 HFDL feed.
Few days sbs-1
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  #36 (permalink)  
Old 04-15-2011, 1:56 PM
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Caveat: As far as I know the only sharing network that offers MLAT is the PlanePlotter network. The locations of MLATted flights are only available to users who either participate in sharing raw data or those who pay a fee to see that information.
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Old 04-16-2011, 11:53 PM
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fyi...

ADS-B/Mode-S Set Up with microadsb receiver - with photos
How to set it up for MLAT.
http://nzradar.com/?page_id=310
http://nzradar.com
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  #38 (permalink)  
Old 04-17-2011, 12:36 AM
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Some of us get ferried around in aircraft that only deliver a primary return. No transponders, radio silence.

Most of the time you won't even see us on ATC radar....
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Old 04-30-2011, 5:17 PM
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Quote:
Originally Posted by kma371 View Post
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Got my MicroADSB yesterday and feeding ADS-B with MLAT in the central California valley now. Don't have permanent antenna up yet but it's working.
Update...
Received my DPD ADS-B and WOW! Get it if you don't have it already. Receiving aircraft over 140 miles compared to around 40 with old antenna.
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  #40 (permalink)  
Old 05-04-2011, 5:25 AM
   
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Default microADSB receiver sensitivity

Quote:
Originally Posted by DaveNF2G View Post
My microADSB was delivered today. Shipped February 24, arrived April 4. So, be prepared to wait.

Now I get to play with it.
I have only just discovered the micoADSB unit and am considering one and a Google search for information led me here.
One thing that bothers me is receiver sensitivity. Having had the unit for a while now, I wonder how you find the sensitivity of the microADSB, particularly in comparison to others?
If you have time, perhaps a review would be useful for others who are interested.
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