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Type: Posts; User: G8VXY

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  1. Replies
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    Reinstating a feed

    Hi I am putting back into service receiver RPI, been down a long time but when I plug it in I get the following:



    Is it easy to recover the key or just start a new install and account......
  2. Thread: My Polar Plot

    by G8VXY
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    159,503

    I was wondering if the occasional odd contact...

    I was wondering if the occasional odd contact could be a signal bounced of another aircraft?

    though when I had my AirNav RadarBox up and running I seemed to get this spurious that seemed to be...
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    Also the Dongles tend to run very warm... will...

    Also the Dongles tend to run very warm... will not do Electrolytic Capacitors much good.
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    Not all antennas have ground plane, take the...

    Not all antennas have ground plane, take the basic dipole.


    the received signal, think of it not so much as voltage but more currant, and best first describe the Dipole as half of it being a 1/4...
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    two dongles on a RPi???

    Is it possible?

    I am thinking of putting up a second antenna this one would be directional as opposed to the current one which is a omnidirectional collinear

    I am suspecting that the processing...
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    Agree with ABCD... try different power...

    Agree with ABCD...

    try different power supplies (2A+)

    As you have not changed you dongle which is the receiver, then either you have lost processing power our more probably because the...
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    Good advice. PS not all dongles come with an...

    Good advice.

    PS not all dongles come with an antenna, many have option to buy with antenna.
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    Yes, I was forgetting my TV cabling is 75 ohms so...

    Yes, I was forgetting my TV cabling is 75 ohms so the dongle must be too.
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    Is not WF100 75 Ohm?

    Is not WF100 75 Ohm?
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    Have to agree that the FA Dongle with the Filter...

    Have to agree that the FA Dongle with the Filter is the best setup so far but comparing the difference can be difficult when I can only run one at a time and atmospheric and even participation do...
  11. Thread: Maxing Out

    by G8VXY
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    6,142

    Thanks for the reply. And the way forward?...

    Thanks for the reply.

    And the way forward? multiple directional aerials each feeding it own dongle and RSP? or replace the RSP with a PC?
  12. Thread: Maxing Out

    by G8VXY
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    6,142

    Maxing Out

    OK question is there a likelihood that I am receiving too many packets for the Dongle or Raspberry PI to cope with?

    When I get say 1,600 planes seen I get something like 100,000 Positions reported...
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    If your location is static then what's the point,...

    If your location is static then what's the point, just get a good GPS fix to start with.
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    FlightAware 1090Mhz Bandpass Filter

    Last week my FlightAware bandpass filter arrived Well after having to go to the Sorting office as customs duty had to be paid.

    I made a big mistake, I bought on Ebay and it was shipped from the...
  15. Thread: ADS-B Splitter

    by G8VXY
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    12,856

    Opps...:eek:

    Opps...:eek:
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    depends on the connector for your Antenna and the...

    depends on the connector for your Antenna and the connector for your dongle?
    then what quality cable you want to use, thicker cables like RG213 10mm outside diameter better quality but difficult for...
  17. Thread: ADS-B Splitter

    by G8VXY
    Replies
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    12,856

    Splitters are not high tech... they just match...

    Splitters are not high tech...

    they just match the impedance of the cables but there will some signal loss in using them, looking at a splitter now 5 to 1000Mhz has a quoted signal loss of 3.6 to...
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    Are you looking for a 5m USB cable? USB is not...

    Are you looking for a 5m USB cable?

    USB is not good over distance, 5m is the maximum for USB2 and then you would require a very good quality cable.

    one way to extend your distance is to use a...
  19. Yes, unfortunately there are a lot of scumbags...

    Yes, unfortunately there are a lot of scumbags out there and there is nothing more irritating than someone trying to insult my intelligence by trying to exploit me or infect my computer with viruses.
  20. I was not going to brag but my first computer was...

    I was not going to brag but my first computer was a ZX81 which I built from a kit...

    As for Hollerith cards, I recall my mum bringing home a machine and wads of cards that needed correcting, but...
  21. Not that old... I cut my teeth on the Vic20,...

    Not that old...

    I cut my teeth on the Vic20, ...6502 Machine code decoding RTTY (Radio Tellytype) :cool:
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    Just a quick one on this... From my...

    Just a quick one on this...

    From my experimenting with power supplies, I got the same issue with some smaller PSU's so probably too small, My best results are with a 5vDC 3A supply.
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    OK back on topic. Probably over the past week...

    OK back on topic.

    Probably over the past week I have been doing a lot of work to improve my receiving, which is "p!$$ poor" compared to the old AirNav Radarbox which is now only about half the...
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    True... But I have heard how companies with...

    True...

    But I have heard how companies with manufacturing plants in China have to send mangers over to China to stop them cutting corners.

    I also know there are some really good and cheap...
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    I have a downer on anything electrical "made in...

    I have a downer on anything electrical "made in China" the horror stories of the copy Iphone/Ipad chargers that are responsible countless deaths due to electrocution and house fires worldwide.
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