Difference between revisions of "HAB Tracker Station"

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{{Project
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##REDIRECT [[RevRadio]]
|Name=HAB Tracker Station
 
|Status=In progress
 
|Contact=User:Costyn_van_Dongen
 
}}
 
 
 
Project page for the high altitude balloon tracking/listening station we are setting up in the space.
 
 
 
== Done ==
 
=== Acquired Hardware ===
 
* "ezcap USB 2.0 DVB-T/DAB/FM" dongle, RTL2838U, Fitipower FC0013 tuner, Supported gain values (23): -9.9 -7.3 -6.5 -6.3 -6.0 -5.8 -5.4 5.8 6.1 6.3 6.5 6.7 6.8 7.0 7.1 17.9 18.1 18.2 18.4 18.6 18.8 19.1 19.7
 
* VK5QI HABamp
 
* Raspberry Pi
 
* Test payload, RFM22b sending RTTY strings on 434.250MHz. Code here: https://github.com/costyn/rfmtest/blob/master/rfmtest.pde
 
 
 
=== Software ===
 
* Sending test payload --> '''works!'''
 
* Sending data from rtl_tcp on RasPi over the network --> '''works!''' (1024000 samples/second seems to go fine when both are on a wired connection)
 
* gqrx to listen to audio --> '''works!'''
 
* dl-fldigi RTTY decoding --> '''works!'''
 
* Testing VNC performance with gqrx and dl-fldigi --> '''usable with JPEG compression and 8 bits of color'''
 
'''Todo'''
 
* Setting up a virtual machine with gqrx and dl-fldigi
 
 
 
<code>
 
revspace@habraspi:~$ rtl_tcp -a 10.42.43.20
 
 
 
Found 1 device(s).
 
Found Fitipower FC0013 tuner
 
 
 
Using ezcap USB 2.0 DVB-T/DAB/FM dongle
 
</code>
 
 
 
[[File:Finaltestonpi.png|800px]]
 
 
 
== The roof ==
 
* Currently there is no lightning protection installed. We need to figure out how we are going to ground the antenna.
 
* POE seems doable, also makes it easy to restart the setup.
 
* Penetrating the roof would increase the risk of any leakage
 
** Our best option is to guide the UTP-cable down the drainpipe, in a separate PVC-pipe.
 
 
 
== Todo ==
 
* Currently we have no antenna. Well need some heavy duty (directional?) antenna.
 
** Do we make one or do we buy one?
 
** What kind of antenna? (keep in mind we only have line of sight towards south/southwest)
 
* Find and buy IP56 enclosure: http://linitx.com/product/13265
 
* Obtain 48v PoE injector, make 48v-5v power regulator for inside enclosure.
 
* How do we deal with heat in the summer?
 
* Your ideas, we love them!
 

Revision as of 11:55, 20 July 2015

    1. REDIRECT RevRadio