hackrf one

Latest News and Discussion about the use of the DATV transponder on Es'hail-2
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sean2e0saf
Posts: 83
Joined: Thu Nov 21, 2013 5:29 pm

hackrf one

Post by sean2e0saf » Mon May 11, 2020 2:19 pm

is it possible to use a hackrf one for WB Datv i already have NB tx im wondering if its possible to use the same kit..??
23cms AATV from io83qn ( wn68ns )
23cms DATV from i083qn ( wn68ns )
70cms DATV from io83qn ( wn68ns )

wimo shf-2344
parabeam 70cms/18ele

G4GUO
Posts: 665
Joined: Tue Feb 16, 2010 12:51 pm

Re: hackrf one

Post by G4GUO » Tue May 12, 2020 9:12 pm

The only way I can think of you using it is with GNURadio as that supports both DVB-S2 and the hackrf.
You could always write your own code I suppose.
No I won't be adding it to Express although people do ask.
It was really designed as a hackers toy (for intercepting keyfobs and the like) and I have a feeling that
it's RF ouput may not be that clean.

- Charles

sean2e0saf
Posts: 83
Joined: Thu Nov 21, 2013 5:29 pm

Re: hackrf one

Post by sean2e0saf » Tue May 19, 2020 8:56 pm

thanks charles

altho i have dropped the hackrf one and now using a pluto. just waiting for the txco mod to arrive from germany now to make it stable..
23cms AATV from io83qn ( wn68ns )
23cms DATV from i083qn ( wn68ns )
70cms DATV from io83qn ( wn68ns )

wimo shf-2344
parabeam 70cms/18ele

G4GUO
Posts: 665
Joined: Tue Feb 16, 2010 12:51 pm

Re: hackrf one

Post by G4GUO » Tue May 19, 2020 9:32 pm

The HackRF was ground breaking it it's day. It seemed to have a bigger backing in the infosec / hacker community than it did in the Ham one.

Glad I got my Pluto before the fall in the pound and the Analog devices end of the student discount.

I have not done the TCXO mod on mine but as my new project will require the extra stability I may well do it.
I think Colin G4KLB has been trying out different TCXOs.

- Charles

sean2e0saf
Posts: 83
Joined: Thu Nov 21, 2013 5:29 pm

Re: hackrf one

Post by sean2e0saf » Wed May 20, 2020 1:59 am

for tx on eshail sat the txco is a absolute must... the pluto drifts really badly without it..

my hackrf one that im now selling on good old ebay does infact have the txco 0.5ppm installed

as soon as the txco for the pluto arrives from germany it will be installed
23cms AATV from io83qn ( wn68ns )
23cms DATV from i083qn ( wn68ns )
70cms DATV from io83qn ( wn68ns )

wimo shf-2344
parabeam 70cms/18ele

G4GUO
Posts: 665
Joined: Tue Feb 16, 2010 12:51 pm

Re: hackrf one

Post by G4GUO » Wed May 20, 2020 8:00 am

I believe that is the same part as
https://www.mouser.co.uk/ProductDetail/ ... MqEALw_wcB

Which are £3.08 each.

I just need to find some other goodies to buy to get the value up for free shipping

- Charles

g0mjw
Posts: 1247
Joined: Sat Sep 20, 2014 9:15 am

Re: hackrf one

Post by g0mjw » Wed May 20, 2020 8:21 am

I need one of those TCXOs too - unfortunately they were not in stock for my last order so I have got a voltage tunable one which was in stock. That's OK but the tuning voltage needs extra parts and potentially extra drift and noise if you use the Vcc pin for that. Trimming of the offset is not required for the Pluto as it can be done in the software. The tuning pin can be connected to ground, but than the frequency is off more than it should be. Definitely don't leave the tuning pin floating.

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