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Airbus A350 on test
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Radar antenna
Hy folks,
I share data to FR24 with the ID T-EDDW6. My coverage is almost bad due to a bad location. Never mind due to good redundancy of the FR24-sharers in my area and so I cover traffic 24/7 below 2000ft of EDDW. Sorry for not sharing ground-traffic, 'cause my flat is on the wrong side of the airport and I'm not high enough. Sometimes I put my equipment into my car and sharing from better locations.
So far, now the interesting question:
Has anybody build a radar-antenna of maybe this http://www.thiecom.de/index.php?sid=...archparam=1090 or a Yagi? Actually I'm on holiday and have the idea to make a radar-antenna.
On tuesday I migrate my receiver from my old barebone-XP-PC to my new Raspberry Pi without serious problems, so I'm looking for new challenges.
Given is:
2 messages a second of position from Mode-S!
Maybe 30 degree beam width.
So I calculate 10 rpm for such radar, to have all 6 seconds a message from an aircraft. To avoid the edges of the beam width by periodic messages, the radar should rotate a little bit slower.
Problem is:
Slip rings for HF seems to be expensive. http://www.schleifring.de/coaxial-slip-rings/
But you can install a Raspberry Pi as backpack of the antenna and get the data over WIFI. Then the slip ring must only deliver the 5V DC, maybe buffered with an accumulator.
If you have the place on rooftop, a small tent could be a radom for the installation.
Have I something forget?
regards
martin
I share data to FR24 with the ID T-EDDW6. My coverage is almost bad due to a bad location. Never mind due to good redundancy of the FR24-sharers in my area and so I cover traffic 24/7 below 2000ft of EDDW. Sorry for not sharing ground-traffic, 'cause my flat is on the wrong side of the airport and I'm not high enough. Sometimes I put my equipment into my car and sharing from better locations.
So far, now the interesting question:
Has anybody build a radar-antenna of maybe this http://www.thiecom.de/index.php?sid=...archparam=1090 or a Yagi? Actually I'm on holiday and have the idea to make a radar-antenna.
On tuesday I migrate my receiver from my old barebone-XP-PC to my new Raspberry Pi without serious problems, so I'm looking for new challenges.
Given is:
2 messages a second of position from Mode-S!
Maybe 30 degree beam width.
So I calculate 10 rpm for such radar, to have all 6 seconds a message from an aircraft. To avoid the edges of the beam width by periodic messages, the radar should rotate a little bit slower.
Problem is:
Slip rings for HF seems to be expensive. http://www.schleifring.de/coaxial-slip-rings/
But you can install a Raspberry Pi as backpack of the antenna and get the data over WIFI. Then the slip ring must only deliver the 5V DC, maybe buffered with an accumulator.
If you have the place on rooftop, a small tent could be a radom for the installation.
Have I something forget?
regards
martin
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Why is AI131 / AIC131 going round in circles?
Hi all...am new to this forum and just had a quick question:
flight AI131 / AIC131 with reg VT-ALQ from Mumbai to LHR shows it circles over London / Essex numerous times - does anyone know why this happens?
flight AI131 / AIC131 with reg VT-ALQ from Mumbai to LHR shows it circles over London / Essex numerous times - does anyone know why this happens?
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Plane Icons
Would it be possible to have a different Icon for Military Fast jets and one for other military which we can see on T-MLAT
Steve
Steve
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What defines a 'near miss'..?
Can anyone tell me how close two aircraft approaching each other would need to be apart for it to be classed as a 'near miss'?
I've just watched two aircraft 'merge' with only 1,000 feet or so between them (26,000 ft and 27,000 ft). I would have thought that's pretty close for two planes traveling towards each other at 400mph plus?
I've just watched two aircraft 'merge' with only 1,000 feet or so between them (26,000 ft and 27,000 ft). I would have thought that's pretty close for two planes traveling towards each other at 400mph plus?
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A320 - Asymmetrical spoilers?
I was onboard flight AF6145 from Toulouse to Paris yesterday night, operated by an Air France A320. During landing at Paris Orly airport, I noticed that the right wing's spoilers were not deployed symmetrically :
asymspoilers.jpg
The spoilers were deployed as shown on the picture for at least 30 seconds, they were then retracted, re-deployed and re-retracted in a matter of seconds.
I've flown on A320s at least 5 times in the past, but never really paid attention to the wings during landing. Is this normal or are the spoilers supposed to be deployed at the exact same angle? I am curious to know, as i've recently heard about some aircraft incidents concerning the asymmetrical deployment of spoilers (I.E : http://www.37000feet.com/report/8430...d-brake-handle)
asymspoilers.jpg
The spoilers were deployed as shown on the picture for at least 30 seconds, they were then retracted, re-deployed and re-retracted in a matter of seconds.
I've flown on A320s at least 5 times in the past, but never really paid attention to the wings during landing. Is this normal or are the spoilers supposed to be deployed at the exact same angle? I am curious to know, as i've recently heard about some aircraft incidents concerning the asymmetrical deployment of spoilers (I.E : http://www.37000feet.com/report/8430...d-brake-handle)
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Map Errors Attributed to Corrupted Feeds
We all including Mike and FR24 are concerned about the aircraft being tracked jumping from Longitude to Longitude before settling down on a true track.
Mike gave this example:
Dongle Feeders
Longitude jumping is common for those using dongles when the aircraft if tracking close to your Maximum Range as demonstrated by your Basestation program. The signal amplitude is just occasionally above the noise floor of your receiver/antenna system. The Longitude value is the frequently wrong by 5 or 6 degrees.
An example of a recent error my system produced and was passed on to FR24 standalone feeder program was:
An Air New Zealand flight from AKL-HKG was indicated at 9.7653 latitude and 126.37. In the next 5 seconds it was indicated at 9.69 latitude which was correct but at longitude 120.21. The jump in longitude moved the FR24 and my basestation icon from the Pacific Ocean to the West Philippine Sea. Eventually, the Longitude corrected and the Latitude was always correct.
Dongles and MiniASD-b as well as other USB receivers have no decoder built-in and simply output raw data...errors and all.The "Gunter" FR24 box has an error correcting decoder built in that corrects their receiver.
There are two solutions for the 95%
1. Build a kit decoder which will accept the raw data output by your receiver and with that feed FR24. FR24's box which was designed by "Gunter" has a design for such a stand alone decoder as well as others.
2. In lieu of everyone building and attaching a decoder to their receiver, FR24 could change their feeder server application to cache several of your last uploads and compare the latitude and longitude reports for consistency and correct if need be. "Real Time" will need to be a bit longer depending on how fast their server is in correcting uploads but everyone's goal of accuracy can be realized.
High end receivers may not exhibit anomalies so probably they already have built-in decoders unlike the 95%.
John
T-RPVD1
http://fr24.com/9.36,123.34/7
Mike gave this example:
Quote:
Originally Posted by Mike
This is an example of an error, and similar errors are more or less common all around the world. We have tried to reduce and eliminate them for years. But some software/hardware combinations just keep sending this. So I'm really sorry if you get offended by the fact that we prefer to use/show correct FR24box data instead of "your" data, but as I said one of our goals is "best data quality". If some receivers can't deliver "best data quality", they can still supply "best coverage", and that is why we love all our feeders, and give all the premium account.
Dongle Feeders
Longitude jumping is common for those using dongles when the aircraft if tracking close to your Maximum Range as demonstrated by your Basestation program. The signal amplitude is just occasionally above the noise floor of your receiver/antenna system. The Longitude value is the frequently wrong by 5 or 6 degrees.
An example of a recent error my system produced and was passed on to FR24 standalone feeder program was:
An Air New Zealand flight from AKL-HKG was indicated at 9.7653 latitude and 126.37. In the next 5 seconds it was indicated at 9.69 latitude which was correct but at longitude 120.21. The jump in longitude moved the FR24 and my basestation icon from the Pacific Ocean to the West Philippine Sea. Eventually, the Longitude corrected and the Latitude was always correct.
Dongles and MiniASD-b as well as other USB receivers have no decoder built-in and simply output raw data...errors and all.The "Gunter" FR24 box has an error correcting decoder built in that corrects their receiver.
There are two solutions for the 95%
1. Build a kit decoder which will accept the raw data output by your receiver and with that feed FR24. FR24's box which was designed by "Gunter" has a design for such a stand alone decoder as well as others.
2. In lieu of everyone building and attaching a decoder to their receiver, FR24 could change their feeder server application to cache several of your last uploads and compare the latitude and longitude reports for consistency and correct if need be. "Real Time" will need to be a bit longer depending on how fast their server is in correcting uploads but everyone's goal of accuracy can be realized.
High end receivers may not exhibit anomalies so probably they already have built-in decoders unlike the 95%.
John
T-RPVD1
http://fr24.com/9.36,123.34/7
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Malaysia Airlines A380 - Take off - London Heathrow
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Logo "warning" sur l'avion, avion de couleur rouge vif
Bonjour,
Est-ce que quelqu'un pourrait m'expliquer pourquoi ce matin, il y avait un logo "warning" à côté de la photo de l'avion, puis l'avion sur la carte n'était pas comme les autres, il était de couleur rouge vif. C'est la première fois que je vois ça.
Merci d'avance.
Est-ce que quelqu'un pourrait m'expliquer pourquoi ce matin, il y avait un logo "warning" à côté de la photo de l'avion, puis l'avion sur la carte n'était pas comme les autres, il était de couleur rouge vif. C'est la première fois que je vois ça.
Merci d'avance.
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First attempt at posting a wing-tip photo!
I took this photo on my way to Las Vegas whilst G-VAST was over Greenland
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DVB-T USB Stick Advice
Hey there guys, I've been using FR24 for a while now but have only recently had premium and decided that I'd like to start sharing myself.
I live in Macclesfield, right near Manchester Airport and aircraft usually fly over or at least very nearby to my house.
So I ordered a dvb-t stick from amazon and it works fine, I'm currently sharing as T-EGCC53 however I am yet to see my number on any aircraft on the map. I've read a few posts on here and I'm assuming that fr24 usually only displays data from the strongest source, especially if there are a lot of feeders in a certain area. As I am only using the piddly little antenna (15cm? ish?) that came with the stick, I do not get the best of signals. I have absolutely no hope of using the stick for its intended purpose of watching TV, however I would like to get an antenna to give me a lot more coverage, I'm not fussed as much about not seeing my radar id on fr24 but I would like to increase my coverage as at the moment I only get up to 15 flights at a time, with even less having location info available.
I have no knowledge of antennas but from what I understand I need one designed for 1090MHz ideally for best 'reception' however I also would like to get one that I can use with my handheld scanner because while at night I can pick up the tower and ground at MAN, during the day I usually only hear aircraft. So really I would like to get an antenna which can be used (with adapters) for both my dvb-t stick AND my handheld scanner. Now that might not be possible, in which case please enlighten me as to how stupid I am.
Very sorry if this is in the wrong place by the way, I figured it involves hardware so forgive me if I made a mistake.
Thanks!
I should mention that I live on a slight hill so my antenna, if placed on the roof or fixed to an outer wall, would be pretty high up. I will upload a picture at some point, if need be.
I live in Macclesfield, right near Manchester Airport and aircraft usually fly over or at least very nearby to my house.
So I ordered a dvb-t stick from amazon and it works fine, I'm currently sharing as T-EGCC53 however I am yet to see my number on any aircraft on the map. I've read a few posts on here and I'm assuming that fr24 usually only displays data from the strongest source, especially if there are a lot of feeders in a certain area. As I am only using the piddly little antenna (15cm? ish?) that came with the stick, I do not get the best of signals. I have absolutely no hope of using the stick for its intended purpose of watching TV, however I would like to get an antenna to give me a lot more coverage, I'm not fussed as much about not seeing my radar id on fr24 but I would like to increase my coverage as at the moment I only get up to 15 flights at a time, with even less having location info available.
I have no knowledge of antennas but from what I understand I need one designed for 1090MHz ideally for best 'reception' however I also would like to get one that I can use with my handheld scanner because while at night I can pick up the tower and ground at MAN, during the day I usually only hear aircraft. So really I would like to get an antenna which can be used (with adapters) for both my dvb-t stick AND my handheld scanner. Now that might not be possible, in which case please enlighten me as to how stupid I am.
Very sorry if this is in the wrong place by the way, I figured it involves hardware so forgive me if I made a mistake.
Thanks!
I should mention that I live on a slight hill so my antenna, if placed on the roof or fixed to an outer wall, would be pretty high up. I will upload a picture at some point, if need be.
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A330 Monarch ALC (video)
Airbus A330 from Monarch Airlines G-SMAN landing and take off ALC "El Altet" 20-8-2013
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First picture of second generation Flightradar24 ADSB MLAT receiver
First picture of second generation Flightradar24 ADSB/MLAT receiver! :)
![]()
https://twitter.com/flightradar24/st...12226967490560
FlightRadar24-Second-Generation-ADS-B-MLAT-Receiver.png
https://twitter.com/flightradar24/st...12226967490560
FlightRadar24-Second-Generation-ADS-B-MLAT-Receiver.png
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South Africa
Greetings fellow Forumites,
Although I knew about FR and used it before, only yesterday did I discover its actually very much a community/member driven platform with many private receivers and feeds into the system. This makes me bring the question to you: How many South African station are active on the system? Being new here, I am not sure where to look for that information, if it is visible.
Then also slightly off-topic: Radar Station Codes, like T-FAJS8, F-FAGC1, T-FACT4... is there a place where one can look it up to see where the radar is thats covering the plane, or what area it services?
Happy PlaneSpotting!
Although I knew about FR and used it before, only yesterday did I discover its actually very much a community/member driven platform with many private receivers and feeds into the system. This makes me bring the question to you: How many South African station are active on the system? Being new here, I am not sure where to look for that information, if it is visible.
Then also slightly off-topic: Radar Station Codes, like T-FAJS8, F-FAGC1, T-FACT4... is there a place where one can look it up to see where the radar is thats covering the plane, or what area it services?
Happy PlaneSpotting!
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plane missing
Tracking JetTime boeing 737 from Oslo to teneriffe Call sign jtg 791, came over Ireland and then did a strange alteration towards france and then turned back for original course, the aircraft has now disappeared, any reasons please
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Great Help!!
Earlier today I posted an issue with the 3D/cockpit cam using Microsoft Explorer. I was directed to use Google Chrome and my issues were solved.
Thanks to Mike and others who assisted me so promptly. I appreciate your efforts.
Thanks to Mike and others who assisted me so promptly. I appreciate your efforts.
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New aircraft spotted...
Ive recently noticed Embraer 145, 190, Dash400 and ATR appear on Contract, is this a new feature?. I thought these aircraft didnt have the ads-b transponder to follow?
Thanks,
Martin
Thanks,
Martin
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two pilots or one
why are two pilots usually required even on small aircraft?
was watching a documentry on one of the cable channels and they were delivering a tiny four seater aircraft yet had two pilots.
so when are two pilots required and when can there be just one?
was watching a documentry on one of the cable channels and they were delivering a tiny four seater aircraft yet had two pilots.
so when are two pilots required and when can there be just one?
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Great Update.
Hey, just got the latest update for windows 8 phones, nice so far. The arrival tables are a nice addition, but was wondering if we can get the goto feature when you click on a flight in the tables of a particular airport. Just thought i would ask to see if its possible in the next update, if there is one.
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Raspberry Pi type B + DVB-T Dongle to feed FR24
Maybe, we should start a new discussion on how to configure a Raspberry Pi Type B to run a DVB-T Dongle and feed FightRad24.com, instead of running a PC.
Power consumption is about 5 watts, 5 volts 1 Amp.
If this is successful I believe more volunteers will feed data into Flightradar24 and increase the coverage dramatically.
raspberry_pi.jpgmQ3FGvGPGSmRM3RX1FHdeyA.jpg
Lets get the drums rolling !
4IMGP7281W.jpg
Power consumption is about 5 watts, 5 volts 1 Amp.
If this is successful I believe more volunteers will feed data into Flightradar24 and increase the coverage dramatically.
raspberry_pi.jpgmQ3FGvGPGSmRM3RX1FHdeyA.jpg
Lets get the drums rolling !
4IMGP7281W.jpg
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