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Uber Geek

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  #2428739 28-Feb-2020 11:26
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Old raspberry pi running piaware.

Have antenna and filter which increases range from 15km to early out to Oamaru which is quite good because Dunedin hills....



Minimalist
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  #2428750 28-Feb-2020 11:37
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Is anyone using this https://skywavelinux.com?

 
 
 
 


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  #2428767 28-Feb-2020 12:00
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davidcole: I’ve got one (off tm) from Flightradar24/plane-finder think one other site. Pretty crap reception, as I tried extending aerial to my 2nd floor ceiling space but it never worked.

Had another cheapie one that didn’t work for flight radar and I tried picking up weather stations with it, but couldn’t find any.

 

I am not an expert, but aerial length should be an exact fraction or multiple of the wavelength that you're interested in. Just extending it to some other random length won't necessarily help.

 

I was thinking about using this for an inflight poor man's ADS-B display. I didn't want extreme long range (20nm was plenty) and was told I could just use a straightened paperclip to get that.

 

If your roof is steel (or some other RF absorbent/reflective material), an aerial in your ceiling space is never going to work well.

 

 


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  #2428775 28-Feb-2020 12:18
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frankv:

davidcole: I’ve got one (off tm) from Flightradar24/plane-finder think one other site. Pretty crap reception, as I tried extending aerial to my 2nd floor ceiling space but it never worked.

Had another cheapie one that didn’t work for flight radar and I tried picking up weather stations with it, but couldn’t find any.


I am not an expert, but aerial length should be an exact fraction or multiple of the wavelength that you're interested in. Just extending it to some other random length won't necessarily help.


I was thinking about using this for an inflight poor man's ADS-B display. I didn't want extreme long range (20nm was plenty) and was told I could just use a straightened paperclip to get that.


If your roof is steel (or some other RF absorbent/reflective material), an aerial in your ceiling space is never going to work well.


 



No it’s concrete tiles. I guess I should just Poe the pi and stick it up there. If it dies it dies.




Previously known as psycik

OpenHAB: Gigabyte AMD A8 BrixOpenHAB with Aeotech ZWave Controller, Raspberry PI, Wemos D1 Mini, Zwave, Xiaomi Humidity and Temperature sensors and Bluetooth LE Sensors
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Uber Geek

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  #2429182 29-Feb-2020 11:13
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I'm pretty happy with my ADS-B range. 1090MHz antenna on the TV aerial mast on my roof.


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Master Geek

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  #2429189 29-Feb-2020 11:46
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Much better coverage than mine... but it is still a temporary antenna sitting inside on the window sill facing the neighbours...

 

 

 

Click to see full size

 

 


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Master Geek

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  #2429191 29-Feb-2020 11:49
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I also have a bit of interference from adjacent transmitters to deal with still.

 

 

 

Click to see full size


 
 
 
 


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  #2429672 1-Mar-2020 15:49
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1. ADS-B receiver, feeding multiple sites

 

2. 433MHz sniffer for my weather station


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  #2429754 1-Mar-2020 20:47
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All these planespotters.




Sony Xperia X running Sailfish OS. https://sailfishos.org The true independent open source mobile OS 
Samsung Galaxy Tab S3
Nokia N1
Dell Inspiron 14z i5


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  #2429803 1-Mar-2020 20:56
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Technofreak: All these planespotters.

 

 

 

imagine the fun the trainspotters would have if trains could be tracked 





Previously known as psycik

OpenHAB: Gigabyte AMD A8 BrixOpenHAB with Aeotech ZWave Controller, Raspberry PI, Wemos D1 Mini, Zwave, Xiaomi Humidity and Temperature sensors and Bluetooth LE Sensors
Media:Chromecast v2, ATV4, Roku3, HDHomeRun Dual
Windows 10
Host (Plex Server/Crashplan): 2x2TB, 2x3TB, 1x4TB using DriveBender, Samsung 850 evo 512 GB SSD, Hyper-V Server with 1xW10, 1xW2k8, 2xUbuntu 16.04 LTS, Crashplan, NextPVR channel for Plex,NextPVR Metadata Agent and Scanner for Plex


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  #2429807 1-Mar-2020 21:07
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davidcole:

 

imagine the fun the trainspotters would have if trains could be tracked 

 

 

All the ones I've seen are on tracks 🤣


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Ultimate Geek

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  #2429815 1-Mar-2020 21:29
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Technofreak: All these planespotters.


I got an antenna and base station / internet connection box free from www.flightaware.com
Also a T-shirt
:)


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  #2429819 1-Mar-2020 21:45
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Well, I can add my fa provided feeder/antenna/T-shirt to the list as well.

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Uber Geek

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  #2429853 2-Mar-2020 06:44
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I have my SDR stick plugged into a little eeePC 701 laptop that lives in the garage.  The laptop would be close to 15 years old now, the screen doesn't work and it's pretty slow. Has enough CPU for SDR though, just.  My SDR stick scans a few "interesting frequencies" in Napier that, unlike the big smoke, aren't encrypted (yet).

 

The audio is then fed into a (private, password restricted!) icecast feed so I can listen in from anywhere.


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Ultimate Geek

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  #2429871 2-Mar-2020 08:13
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I've been thinking about having a play around with ADS-B, but unsure on the best place to source kit; been looking at these two on Amazon, a FlightAware Pro dongle and 1090mhz aerial, but ends up being $131 NZD shipped here, so I'm sure there are probably cheaper options. Plus some cable to join them and a Pi or VM of course, but I can sort those locally.


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