[Hackrf-dev] HackRF-dev Digest, Vol 70, Issue 13

[william hatch]

Android phone/HackRF USB port experience
I have used the SDRTouch and RF analyzer to interface with the RTLSDR ($12 analog TV tuner) and the HackRF. Both of these draw power heavily from the phone. For the SG3 and SG5 I replaced the stock batteries with heavy duty after market units available from Amazon. The SG3 had to be rooted to obtain permission to access the USB port. The SG5 may not have required rooting ... I forget & do not have current access to an SG35. I was able to access these radios with both of the above apps on an ASUS Zphone with the micro USB2 interface, no rooting needed .. but the battery is not removable, thus no heavy duty battery replacement is possible for this phone.  

SDRTouch also works with the SdrPlay radio.

I tried to use a newer ASUS Zphone with the micro USB3 interface. This did not work immediately but I did not spend any more time with it. 

In summary, If you want to use an SDR with an Android phone for anything more extensive than a ¨quick look¨ an SG3 or SG5 with the heavy duty replacement battery will work well for you.
cell 240-702-5336 

    On Tuesday, June 26, 2018, 1:28:29 AM EDT, <hackrf-dev-request at greatscottgadgets.com> wrote:  
 
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Today's Topics:

  1. Re: HackRF-dev Digest, Vol 70, Issue 9 (Giuseppe Marullo)


----------------------------------------------------------------------

Message: 1
Date: Mon, 25 Jun 2018 14:31:01 +0200
From: Giuseppe Marullo <giuseppe at marullo.it>
To: hackrf-dev at greatscottgadgets.com
Subject: Re: [Hackrf-dev] HackRF-dev Digest, Vol 70, Issue 9
Message-ID: <7f342460-018e-7223-7988-b6960635880c at marullo.it>
Content-Type: text/plain; charset=utf-8; format=flowed

Ok,

 >There is an android app called rf analyzer that will control a hackrf.

William, tanks for the suggestion. I just purchased the RfAnalyzer, it 
seems to work on the S7. I was fearing no demodulation(just an 
analyzer?) but it works, tested on a couple of repeaters and FM radio.

 >I have used this app on an sg3 with >the after market heavy duty battery.

What did you use to inject power? Is there anything readily available? I 
hate to mess with USB connector, probably the most unfriendly connector 
for DIYers ever.


 >The SdrTouch app might also work.
SdrTouch afaik does not support the hackrf.

In any case I am thinking to add a vanilla SDR stick to get full 
duplex/double reception, and maybe easier reception with RPI for stuff 
like DAB and ADS-B(not clear to me how difficult is to receive them with 
a HackRf).

Thanks!

Giuseppe Marullo

IW2JWW - JN45RQ




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End of HackRF-dev Digest, Vol 70, Issue 13
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