HAB Tracker Station: Difference between revisions

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* "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
* "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
* VK5QI HABamp
* Raspberry Pi running Raspbian: "habraspi.space.revspace.nl"
* Raspberry Pi
* Test payload, RFM22b sending RTTY strings on 434.250MHz. Code here: https://github.com/costyn/rfmtest/blob/master/rfmtest.pde


* Test "payload" gemaakt met RFM22b die test RTTY strings uitzendt op 434.250MHz om de ontvangst setup te kunnen testen. Code hier: https://github.com/costyn/rfmtest/blob/master/rfmtest.pde
=== Software ===
* Sending test payload --> '''works!'''
* Using rtl_tcp from RasPi over network --> '''works!'''
* gqrx to listen to audio --> '''works!''' (250000 samples/seconds), freq seems to go even up to 434,227,925 (center 434,225,517)
* dl-fldigi RTTY decoding --> '''works!'''
* ''rtl-sdr compiled from git on Raspberry Pi'': --> '''works!'''
<code>
revspace@habraspi:~$ rtl_tcp -a 10.42.43.20


=== The first HABamp test ===
Found 1 device(s).
GNUradio, tuned 102,7 MHz.


Zonder stroom op de HABamp
Found Fitipower FC0013 tuner
[[File:Zonder.png]]


Ah, wegwezen met je Radio538!
Using ezcap USB 2.0 DVB-T/DAB/FM dongle
[[File:Met.png]]
</code>
 
=== Software ===
* Sending test payload
* Using rtl_tcp from laptop
* SDRSharp in TCP-modus (250000 samples/second lijkt goed te gaan), frequentie 434,227,925, center 434,225,517
* dl-fldigi RTTY decoding


== Todo ==
== Todo ==


* Site survey dak
* 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
* Antenne keuze
* Currently we send and receive with just some breadboard cables. Works fine in the lab but we need some heavy duty antenna outside.
** maken of kopen?  
** Do we make one or do we buy one?
** wat voor soort?
** What kind of antenna? (keep in mind we only have line of sight towards south/southwest)
* Enclosure spec-en en aanschaffen
* Enclosure spec-en en aanschaffen
* Routing van bekabeling van/naar dakstation naar kelder
* Routing 230v and Ethernet towards the roof
* Bliksembeveiliging?? ==> Is er al wat aanwezig (site survey!)
* Your ideas, we love them!

Revision as of 23:49, 19 December 2012

Project pagina voor het high altitude balloon tracking/listening station dat we voor de space aan het inrichten zijn.

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!
  • Using rtl_tcp from RasPi over network --> works!
  • gqrx to listen to audio --> works! (250000 samples/seconds), freq seems to go even up to 434,227,925 (center 434,225,517)
  • dl-fldigi RTTY decoding --> works!
  • rtl-sdr compiled from git on Raspberry Pi: --> works!

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

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 send and receive with just some breadboard cables. Works fine in the lab but we need some heavy duty antenna outside.
    • 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)
  • Enclosure spec-en en aanschaffen
  • Routing 230v and Ethernet towards the roof
  • Your ideas, we love them!
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