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The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Mal  The whole reason these things are getting so much attention is the price and the fact they are independent of a sound card or A/D converter. They are not really suitable for or give any advantage on LF because you need an up converter in front. A Softrock SDR with a good sound card will out perform these sticks at MF/LF.IMHO I don't think its worth persuing to be honest. However I think with the DVB-T sticks people have been opening them up to look at the SMT chip marking if not sure. It looks like they don't erase the markings like some well known LF TX suppiers do. Oh and the software plug-ins are only for the RTL2832 chipset. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [212.82.109.246 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (m0fmt[at]yahoo.co.uk) 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 FSL_FREEMAIL_1 FSL_FREEMAIL_1 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 55db901127f87fafbf8ae301dac99c44 Subject: Re: LF: SDR programs Content-Type: multipart/alternative; boundary="1507048413-2092401642-1340312150=:80181" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,HTML_MESSAGE, TO_ADDRESS_EQ_REAL,YOU_WON autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:439369408:93952408 X-AOL-SCOLL-URL_COUNT: 0 X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d004.1 ; domain : yahoo.co.uk DKIM : fail x-aol-sid: 3039ac1d4ad34fe38ac71bfb X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none --1507048413-2092401642-1340312150=:80181 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Mal=0A=C2=A0=0AThe whole reason these things are getting so much attenti= on is the price and the fact they are independent of a sound card or=C2=A0A= /D converter.=C2=A0They are not really suitable for or give any advantage o= n LF because you need an up converter in front. A Softrock SDR with a good = sound card will out perform these sticks at MF/LF.IMHO=C2=A0I don't think i= ts worth persuing to be honest. However I think with the DVB-T sticks peopl= e have been opening them up to look at the SMT chip marking if not sure. It= looks like they don't erase the markings like some well known LF TX suppie= rs do. Oh and the software plug-ins are only for the RTL2832 chipset.=0A=0A= 73 es GL Pete M0FMT IO91UX=0A=0A=0A________________________________=0A From= : mal hamilton =0ATo: rsgb_lf_group@blacksheep.org = =0ASent: Thursday, 21 June 2012, 18:42=0ASubject: Re: LF: SDR programs=0A = =0A=0A=EF=BB=BF =0Aps =0AMy cardbus is a Freecom TV and radio receiver but= I cannot =0Afind any spec for it=C2=A0 anywhere. Freq range etc =0AIt woul= d be interesting to see how far down it actually =0Awent in freq, or even h= ow far up. I could build a suitable up converter to cover =0ALF/MF =0ADe ma= l/g3kev =0A=0A----- Original Message ----- =0A>From: mal hamilton =0A>To= : rsgb_lf_group@blacksheep.org =0A>Sent: Thursday, June 21, 2012 4:44 PM = =0A>Subject: Re: LF: SDR programs =0A>=0A> =0A>Pete =0A>I have a DVB-T card= bus and I expect this would also work maybe better than the usb stick. Do = not know what the chipset is =0A>de mal/g3kev =0A>=0A>----- Original Messag= e ----- =0A>>From: M0FMT =0A>>To: rsgb_lf_group@blacksheep.org =0A>>Sent= : Wednesday, June 20, 2012 6:40 PM =0A>>Subject: Re: LF: SDR programs =0A>= >=0A>> =0A>> =0A>>Hi all =0A>>Save those precious Euros because you don= =E2=80=99t know how long they will be around. Try HDSDR with Balint Seeber= =E2=80=99s =C2=A0BorIP app and ExtIO.USRP DLL using =C2=A0ultra-cheap Soft= ware Defined Radio with RTL2832 (chip set) DVB-T USB stick. =0A>>These D= VB-T USB Digital TV sticks are about =C2=A35 to =C2=A310 from UK source and= cover about 50megs to 1.7gigs and with an up converter 60meg O/T osc the = cheap way or expensive Monolithic IC local Oscillator 5v into an SLB-1 or = similar block mixer; you too can have a USB (no sound card) SDR RX with DC= to UHF coverage for peanuts all run off the USB supply just add antenna. = =0A>>Oh and guess what the stick gets you all your local digital TV stat= ions with record facility and all your local Digital radio and if that=E2= =80=99s not enough all your local FM BC as well. =C2=A0Not a lot of people= know that! =0A>>URLs apply=E2=80=A6=E2=80=A6=E2=80=A6 =0A>>https://ww= w.cosycave.co.uk/product.php?id_product=3D239 =0A>>http://www.reddit.com/r= /RTLSDR/comments/s6ddo/rtlsdr_compatibility_list_v2_work_in_progress/ =0A>= >You won=E2=80=99t read about this in Radcom=E2=80=A6=E2=80=A6. :0) =0A>>= Yy 73=C2=A0 Pete M0fmt =0A>>=0A>>=0A>>=C2=A0 =0A>>73 es GL Pete M0FMT I= O91UX=0A>>=0A>>=0A>>________________________________=0A>>From: Stefan Sch= =C3=A4fer =0A>>To: rsgb_lf_group@bla= cksheep.org =0A>>Sent: Wednesday, 20 June 2012, 18:40=0A>>Subject: Re: LF= : SDR programs=0A>>=0A>>Hi Piotr,=0A>>=0A>>Thanks for the =0A overview o= f programs. That's what i searched for.=0A>>But maybe i have =0A express= ed wrongly what i need. I assumed a SDR software is also for a mono =0A = input, not only for IQ inputs. Are the programs you're referring on usable = =0A for both, IQ and mono?=0A>>Well, i'm waiting for one of my SL teache= rs (Wolf =0A or Markus :-) ) answer. If there is a solution in SpecLab i= would prefer =0A that i think...=0A>>=0A>>Best 73, Stefan/DK7FC=0A>>=0A= >>> Hi Stefan, =0A LF=0A>>> =0A>>> i have SDR-IQ receiver from=C2=A0 RFS= pace. The primary =0A supporting software for all their sdr=C2=A0 hardwa= re is Spectravue.=0A>>> =0A you can download this program from the rfspa= ce site:=0A>>> =0A>>> http://www.rfspace.com/RFSPACE/SVDownload.html=0A>>> = =0A>>> i do recommend this program=C2=A0 although it is sligthly difficult = =0A to get started.=0A>>> However,=C2=A0 once you get familiar with it y= ou =0A will like it:)=0A>>> =0A>>> on a "support" page of www.rfspace.co= m=C2=A0 =0A you will also find a link to sdr -radio:=0A>>> =0A>>> http:/= /www.sdr-radio.com/=0A>>> =0A>>>=C2=A0 they have =0A a very powerful rad= io console which looks like a regular transceiver front =0A side=0A>>>= =C2=A0 It has many many different options - of course, it does =0A take = time to learn all of them but the basic setup is rather easy..=0A>>> =0A>>>= i also recommend=C2=A0 HDSDR software:=C2=A0 http://www.hdsdr.de/index.htm= l=0A>>> very intuitive and =0A easy to use.=0A>>> =0A>>> Well, there is = a growing number of sdr =0A software supporting=C2=A0 sdr hardware.=C2= =A0 an example of such collection =0A of sdr programs you can find here:= =0A>>> =0A>>> https://sites.google.com/site/g4zfqradio/soundcard_sdr_softwa= re=0A>>> =0A>>>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =0A =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =0A =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =0A =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 yours, P= iotr, SQ7MPJ=0A>>> =0A>>> =0A qth: Lodz /jo91rs/=0A>>> =0A>>> =0A>>=0A>>= =0A>>=0A>> --1507048413-2092401642-1340312150=:80181 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Hi Mal
=
 
The whole reason these things are getting so much att= ention is the price and the fact they are independent of a sound card or&nb= sp;A/D converter. They are not really suitable for or give any advanta= ge on LF because you need an up converter in front. A Softrock SDR with a g= ood sound card will out perform these sticks at MF/LF.IMHO I don't thi= nk its worth persuing to be honest. However I think with the DVB-T sticks p= eople have been opening them up to look at the SMT chip marking if not sure= . It looks like they don't erase the markings like some well known LF TX su= ppiers do. Oh and the software plug-ins are only for the RTL2832 chipset.
73 es GL Pete M0FMT IO91UX
From: mal hamilton &= lt;g3kevmal@talktalk.net>
To:<= /span> rsgb_lf_group@blacksheep.org
Sent: Thursday, 21 June 2012, 18:42
Subject: Re: LF: SDR programs

=EF=BB=BF=0A=0A =0A =0A