HAB Tracker Station: Difference between revisions

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{{Project
#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
* 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 ==
 
* Site survey roof, check if there is already some sort of lightning protection system, and see if we can add some metal construction to it ourselfs
* 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
* Routing Ethernet (with PoE) towards the roof, possibly using (something like) this: http://www.ebay.co.uk/itm/200841109556
* Your ideas, we love them!

Latest revision as of 13:15, 7 August 2016

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