[Hackrf-dev] HackRF-dev Digest, Vol 42, Issue 3

Wed Apr 6 12:07:43 EDT 2016

Thank you sir, great response.  It helps immensly.

On Mon, Apr 4, 2016 at 3:30 PM, Dominic Spill <dominicgs at gmail.com> wrote:

> On 4 April 2016 at 16:54, O.T. Powell <otpowell at gmail.com> wrote:
> > I have a HackRF one, and I'm reading up on the Yard Stick One.  I'm
> > wondering, if I have the HackRF One, does the HackRF do the same thing as
> > the Yard Stick One?
>
> HackRF One can theoretically do everything YARDStick One can do, it is
> a matter of writing software to perform the CC11xx modem functions on
> the host.  There is a gr-cc11xx project, but I have no idea what the
> status of it is.
> https://github.com/andrepuschmann/gr-cc11xx
>
> > I read that it's based on the CC1101 chip.  I have one
> > of the CC1101 modules, so how would having a Yard Stick One benefit me?
>
> I assume that you mean the evaluation module from TI?  The benefit of
> YS1 over those is the improved radio section, the evaluation kits use
> chip antennas which I believe are designed for one of the bands
> supported by the CC11xx.
>
> However, YS1 has TX/RX amps, an SMA connector, additional filtering
> and antenna port power.
>
> > I know both are only half duplex so maybe with both you have full duplex.
> > Since I already have various RF transmitters and a CC1101, perhaps a Yard
> > Stick One would not benefit me?
>
> It really depends on how you intend to use the devices.  I know of
> some users who have multiple YS1s because they like the RF performance
> and simplicity of RFCat; I also believe that the combination of HackRF
> One and YS1 is very useful, as shown in Mike's rapid radio reversing
> video.
>
> > The only reason to buy a Yard Stick One that I could think of is so that
> I
> > can transmit at the same time as I'm receiving on the HackRF.  I think I
> can
> > accomplish this same thing with my CC1101 module?  Perhaps there's more
> > tools developed for the Yard Stick One and that's the main benefit?
>
> Assuming that you are using your CC1101 module with RFCat, the
> software interface will be the same as YS1.  I do not know of any YS1
> specific tools, although I presume that it would be possible for some
> to be written in the future (as far as I know we do not plan to write
> any YS1-only tools, we prefer to use RFCat as the basis for work with
> YS1).
>
> Thanks,
>   Dominic
>
> > On Mon, Apr 4, 2016 at 1:29 AM, <
> hackrf-dev-request at greatscottgadgets.com>
> > wrote:
> >>
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> >> than "Re: Contents of HackRF-dev digest..."
> >>
> >>
> >> Today's Topics:
> >>
> >>    1. More RF power (Tony Hagen)
> >>    2. Re: More RF power (Marc P?quignot)
> >>    3. Re: <DKIM> Re: TIME OF ARRIVAL OF CW SINGAL in Nanoseconds
> >>       with HackRf (Andreas Hornig)
> >>    4. Re: More RF power (Cinaed Simson)
> >>
> >>
> >> ----------------------------------------------------------------------
> >>
> >> Message: 1
> >> Date: Sun, 3 Apr 2016 15:31:00 +0530
> >> From: "Tony Hagen" <prosdr at gmail.com>
> >> To: <hackrf-dev at greatscottgadgets.com>
> >> Subject: [Hackrf-dev] More RF power
> >> Message-ID: <2D596BD325DF41289EE7447084825F72 at cedalabz>
> >> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> >>         reply-type=original
> >>
> >> Hi,
> >>
> >> In the past post I found quite a good amount of the hackrf user want to
> >> transmit with more RF power.
> >>
> >> If you all can discuss your wish list of the band/frequency I can build
> >> respective low cost RF amplifier of 1, 2, 5 watts or more
> >>
> >> Please let me know your interest on this
> >>
> >>
> >>
> >> 73s
> >> Tony
> >>
> >>
> >>
> >> ------------------------------
> >>
> >> Message: 2
> >> Date: Sun, 3 Apr 2016 15:08:46 +0200
> >> From: Marc P?quignot <marc.pequignot at gmail.com>
> >> To: hackrf-dev at greatscottgadgets.com
> >> Subject: Re: [Hackrf-dev] More RF power
> >> Message-ID: <570115DE.8070108 at gmail.com>
> >> Content-Type: text/plain; charset=windows-1252; format=flowed
> >>
> >> Hi,
> >>
> >> It will be at the limit. However a Ham HF band may be interesting.
> >> A couple of watts is enough.
> >>
> >> 73s
> >>
> >> F6DNH
> >>
> >>
> >> Le 03/04/2016 12:01, Tony Hagen a ?crit :
> >> > Hi,
> >> >
> >> > In the past post I found quite a good amount of the hackrf user want
> >> > to transmit with more RF power.
> >> >
> >> > If you all can discuss your wish list of the band/frequency I can
> >> > build respective low cost RF amplifier of 1, 2, 5 watts or more
> >> >
> >> > Please let me know your interest on this
> >> >
> >> >
> >> >
> >> > 73s
> >> > Tony
> >> >
> >> > _______________________________________________
> >> > HackRF-dev mailing list
> >> > HackRF-dev at greatscottgadgets.com
> >> > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
> >> >
> >>
> >>
> >>
> >> ------------------------------
> >>
> >> Message: 3
> >> Date: Sun, 3 Apr 2016 20:51:20 +0200
> >> From: Andreas Hornig <andreas.hornig at aerospaceresearch.net>
> >> To: ERNEST MATEY <ernestmatey310 at gmail.com>
> >> Cc: emmanuel.fuste at laposte.net,  "hackrf-dev at greatscottgadgets.com >>
> >>         hackrf-dev" <hackrf-dev at greatscottgadgets.com>
> >> Subject: Re: [Hackrf-dev] <DKIM> Re: TIME OF ARRIVAL OF CW SINGAL in
> >>         Nanoseconds with HackRf
> >> Message-ID:
> >>
> >> <CAFqvUhy42H4wGosjYDhQhuOTJc0zXMugOdrap9VTmAsPkyNcmw at mail.gmail.com>
> >> Content-Type: text/plain; charset="utf-8"
> >>
> >> Hi Ernest,
> >>
> >> may I ask what kind of appraoch you are using? 30 meters acurracy will
> be
> >> sporty.
> >>
> >> Andreas
> >>
> >> On Sat, Apr 2, 2016 at 7:02 AM, ERNEST MATEY <ernestmatey310 at gmail.com>
> >> wrote:
> >>
> >> > Hi Andreas,
> >> >
> >> > Thank you very much for reply and check of website.
> >> > Precision for Bird Project I aim is 30 meters.
> >> >
> >> > Thank you for your help and suggestions are greatly welcomed for CW
> >> > arrival detection and time measurement.
> >> >
> >> > Best Regards
> >> > Ernest.
> >> >
> >> > Sent from my BlackBerry 10 smartphone.
> >> > *From: *Andreas Hornig
> >> > *Sent: *Saturday, April 2, 2016 1:16 AM
> >> > *To: *ERNEST MATEY
> >> > *Cc: *emmanuel.fuste at laposte.net; hackrf-dev at greatscottgadgets.com >>
> >> > hackrf-dev
> >> > *Subject: *Re: [Hackrf-dev] <DKIM> Re: TIME OF ARRIVAL OF CW SINGAL in
> >> > Nanoseconds with HackRf
> >> >
> >> > Hi Ernest,
> >> >
> >> > the first question for me is, what kind of precision of orbit
> >> > position/parameters do you want to achieve for your BIRD satellite[0].
> >> > I might perhaps help, because I am doing the same thing for my PhD
> >> > workbut
> >> > not with GnuRadio and HackRF.
> >> >
> >> > And yes, my approach is DSP heavy as others told here already, and I
> am
> >> > working on this for 3 years now (started as a side project). :D
> >> >
> >> > Andreas
> >> >
> >> > [0] http://birds.ele.kyutech.ac.jp/mrErnest.html
> >> >
> >> >
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> >>
> >> ------------------------------
> >>
> >> Message: 4
> >> Date: Sun, 3 Apr 2016 13:21:51 -0700
> >> From: Cinaed Simson <cinaed.simson at gmail.com>
> >> To: hackrf-dev at greatscottgadgets.com
> >> Subject: Re: [Hackrf-dev] More RF power
> >> Message-ID: <57017B5F.6000402 at GMail.COM>
> >> Content-Type: text/plain; charset=windows-1252
> >>
> >> On 04/03/2016 03:01 AM, Tony Hagen wrote:
> >> > Hi,
> >> >
> >> > In the past post I found quite a good amount of the hackrf user want
> to
> >> > transmit with more RF power.
> >> >
> >> > If you all can discuss your wish list of the band/frequency I can
> build
> >> > respective low cost RF amplifier of 1, 2, 5 watts or more
> >> >
> >> > Please let me know your interest on this
> >>
> >> Hmm, at 1 W a VSWR over 1.22:1 may smoke the RF amplifier on the HackRF
> >> - assuming roughly a 10 mW reflection smokes it - and ignoring all the
> >> losses in the system.
> >>
> >> How about low power amplifiers (100-500 mW) - with a maximum RF_IN of at
> >> least 20 dBm?
> >>
> >> How about low power band pass filters - with a maximum RF_IN of at least
> >> 20 dBm for the HackRF, Ubertooth and Yardstick?
> >>
> >> -- Cinaed
> >>
> >>
> >> ------------------------------
> >>
> >> Subject: Digest Footer
> >>
> >> _______________________________________________
> >> HackRF-dev mailing list
> >> HackRF-dev at greatscottgadgets.com
> >> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
> >>
> >>
> >> ------------------------------
> >>
> >> End of HackRF-dev Digest, Vol 42, Issue 3
> >> *****************************************
> >
> >
> >
> >
> > --
> > O.T. Timothy Powell
> > EE Engineering Tech
> > M: 386.299.6991
> > otpowell at gmail.com
> >
> > _______________________________________________
> > HackRF-dev mailing list
> > HackRF-dev at greatscottgadgets.com
> > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
> >
>

-- 
*O.T. Timothy PowellEE Engineering TechM: 386.299.6991
<386.299.6991>otpowell at gmail.com*
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