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[195.171.43.25]) by mx.google.com with ESMTP id e7si16305600wib.80.2013.12.29.13.24.08 for ; Sun, 29 Dec 2013 13:24:08 -0800 (PST) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VxN5i-0000SP-QA for rs_out_1@blacksheep.org; Sun, 29 Dec 2013 20:36:06 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VxN5i-0000SG-3T for rsgb_lf_group@blacksheep.org; Sun, 29 Dec 2013 20:36:06 +0000 Received: from smtpout4.wanadoo.co.uk ([80.12.242.68] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1VxN5f-0003yb-Ge for rsgb_lf_group@blacksheep.org; Sun, 29 Dec 2013 20:36:05 +0000 Received: from AGB ([95.145.227.130]) by mwinf5d57 with ME id 7Yc21n00K2pSSfT03Yc2ar; Sun, 29 Dec 2013 21:36:03 +0100 Message-ID: <24829E6BCE56469395F42E2574221ED9@AGB> From: "Graham" To: References: <20C550A7D07741688C6A26E73CBCF741@White> <52BF4895.8080502@iup.uni-heidelberg.de> <52BF7E2A.9000002@iup.uni-heidelberg.de> <52BFD963.8020300@freenet.de> <8C09023FA2074CB380BC9CF1E7A514E3@White> <52C00514.4030805@freenet.de> <80BAE827E26041D293D7836651E4595A@White> <52C0163B.5030504@freenet.de> <3C87189CFA294757996FC9163E49543E@AGB> <52C022C7.4040900@freenet.de> <52C06EFD.1090806@freenet.de> In-Reply-To: <52C06EFD.1090806@freenet.de> Date: Sun, 29 Dec 2013 20:36:02 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. 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: Yes , I think Gary has 192k cards for his grabber , with than and sdr-sharp etc the shift would be no problem for some reason , fixed band has been the house standard from day-1 73-G, [...] 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 [80.12.242.68 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: ef570e47a9cf5159a8093427727c2c22 Subject: Re: LF: VLF exciter / signal generation in Spectrum Lab Content-Type: multipart/alternative; boundary="----=_NextPart_000_01F0_01CF04D5.96DF1060" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_20_30,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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 Status: O X-Status: X-Keywords: X-UID: 3173 This is a multi-part message in MIME format. ------=_NextPart_000_01F0_01CF04D5.96DF1060 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Yes , I think Gary has 192k cards for his grabber , with than = and sdr-sharp etc the shift would be no problem=20 for some reason , fixed band has been the house standard from day-1 = 73-G,=20 From: wolf_dl4yhf=20 Sent: Sunday, December 29, 2013 6:50 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: VLF exciter / signal generation in Spectrum Lab Hi Graham, About 74 kHz reception: I recently discovered that a Lenovo 'X61s' = netbook, bought cheaply at a rally, supports true 192 kHz sampling with = the onboard 'soundcard' (once one discovers where to configure that in = the swamped windows 7 system control, or wherever they decided to put = the soundcard control dialog today. IIRC it was "Properties of = Microphone", translated from german into english).=20 Indeed the usable 'audio' range covers a few Hz to 96 kHz ! This would = allow direct reception on 74 kHz, and also using DCF77, MSF, or similar = time signal transmitters as reference for the sample rate correction... = SL could translate down into the audible range, and downsample to 48 or = 24 kS/second, before sending the converted signal to other applications. Anyway it would be much easier if the "hard coded frequency range" would = simply be removed from the original Opera software, and completely leave = it to the human operator to enter the frequency range in a simple input = field. 73, Wolf . Am 29.12.2013 18:56, schrieb Graham: Thanks Wolf, With the 8K signals out side the Op decoder , some users wanted = to monitor the test , but needed a way of changing the qrg = slightly to match , The other thing , that occurred to me , was the other 75 K = stations , may have a TA chance using Op4H , +6 dB gain over op1H = in the 'window' time , may be 1 run or 2 max ? ... recovering = the 8K audio may be a problem , my ra6790gm has a locked bfo = range of +/- 19KHz or so , but , for normal ssb-rx , then a = shift up from 1500 would be needed [ may even catch Bob on 4H = hihi] 73-G,=20 From: wolf_dl4yhf=20 Sent: Sunday, December 29, 2013 1:25 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: VLF exciter / signal generation in Spectrum Lab Hello Graham, Am 29.12.2013 14:04, schrieb Graham: Wolf, Q How to configure SL as audio frequency changer ? =20 say 1500 Hz to 8 KHz , or , 8100 to 8200 etc=20 how is the set up ?=20 The easiest way is using the 'narrowband filter', which can also shift = frequencies.=20 Start by selecting 'Quick Settings' in the menu, then 'Other amateur = radio modes', 'Narrow CW filter with adjustable xyz'. You can see the = filter's passband on the main frequency scale, along with the 'zero = beat' indicator similar to a web sdr. Grab the passband widh the mouse = and move it to the 'source' frequency range. Alternatively, enter the = frequency shift in numeric form on the filter control panel. Details: = http://www.qsl.net/dl4yhf/speclab/filters.htm#filter_controls_on_main_fre= q_scale will SL appeared as a sound source ? It can, but unfortunately only as an ASIO device. Microsoft's = ever-changing driver model is so utterly complex that I gave up writing = my own 'multimedia driver'. Also I didn't feel like re-inventing the = wheel for XP, Vista, Win7, Win8, and whatever-comes-next... :o) Thus = the easiest (??) method would be to use Virtual Audio Cable. The more complex (but VAC-less) way, if ASIO is supported by the = audio-receiving application, is decribed in the 'Audio I/O' manual: http://www.qsl.net/dl4yhf/AudioIO/AudioIO_Manual.pdf The relevant chapter would be "Installation of in_AudioIO.dll as an = ASIO device". Now back to the soldering iron.. 73, Wolf . ------=_NextPart_000_01F0_01CF04D5.96DF1060 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Yes  , I think  Gary  has 192k cards  for  = his  grabber , with  than  and  sdr-sharp etc  = the=20 shift  would  be  no  problem
 
for some reason , fixed band  has been the  house =20 standard  from  day-1
 
73-G,
Sent: Sunday, December 29, 2013 6:50 PM
To: rsgb_lf_group@blacksheep.org= =20
Subject: Re: LF: VLF exciter / signal generation in Spectrum = Lab

Hi Graham,

About 74 kHz reception: I = recently=20 discovered that a Lenovo 'X61s' netbook, bought cheaply at a rally, = supports=20 true 192 kHz sampling with the onboard 'soundcard' (once one discovers = where to=20 configure that in the swamped windows 7 system control, or wherever they = decided=20 to put the soundcard control dialog today. IIRC it was "Properties of=20 Microphone", translated from german into english).
Indeed the usable = 'audio'=20 range covers a few Hz to 96 kHz ! This would allow direct reception on = 74 kHz,=20 and also using DCF77, MSF, or similar time signal transmitters as = reference for=20 the sample rate correction...  SL could translate down into the = audible=20 range, and downsample to 48 or 24 kS/second, before sending the = converted signal=20 to other applications.

Anyway it would be much easier if the = "hard coded=20 frequency range" would simply be removed from the original Opera = software, and=20 completely leave it to the human operator to enter the frequency range = in a=20 simple input field.

73,
  Wolf .


Am 29.12.2013 = 18:56,=20 schrieb Graham:
Thanks Wolf,
 
With the 8K signals  out side  the  Op = decoder  ,=20 some  users  wanted  to  monitor the  = test  ,=20 but  needed  a  way of  changing the  = qrg =20 slightly to  match ,
 
The  other  thing , that  occurred  to  = me=20  , was  the  other 75 K stations  , may have = a  TA=20 chance  using  Op4H , +6 dB gain over op1H  =  in=20 the  'window'  time ,  may be  1  run = or =20 2  max  ? ... recovering  the  8K audio  = may  be=20 a  problem ,  my  ra6790gm   has a  = locked=20 bfo  range  of  +/-  19KHz or  so  , = but  ,=20 for  normal  ssb-rx  , then  a  shift  = up=20 from  1500  would be  needed [ may even  catch = Bob =20 on 4H  hihi]
 
73-G,
 

Sent: Sunday, December 29, 2013 1:25 PM
Subject: Re: LF: VLF exciter / signal generation in = Spectrum=20 Lab

Hello Graham,

Am 29.12.2013 14:04, = schrieb=20 Graham:
Wolf,
 
Q How to  configure  SL  as audio=20  frequency   changer ?  
 
say   1500 Hz to  8 KHz , or , 8100 to =20 8200   etc
 
how is the  set  up  ? =

The=20 easiest way is using the 'narrowband filter', which can also shift=20 frequencies.
Start by selecting 'Quick Settings' in the menu, then = 'Other=20 amateur radio modes', 'Narrow CW filter with adjustable xyz'. You can = see the=20 filter's passband on the main frequency scale, along with the 'zero = beat'=20 indicator similar to a web sdr. Grab the passband widh the mouse and = move it=20 to the 'source' frequency range. Alternatively, enter the frequency = shift in=20 numeric form on the filter control panel. Details:

http://www.qsl.net/dl4yhf/speclab/filters.htm#fi= lter_controls_on_main_freq_scale


 
 
will SL  appeared as a  sound  source =20 ?
It can, but unfortunately only as an ASIO device.=20 Microsoft's ever-changing driver model is so utterly complex that I = gave up=20 writing my own 'multimedia driver'. Also I didn't feel like = re-inventing the=20 wheel for XP, Vista, Win7, Win8, and whatever-comes-next...  = :o) =20 Thus the easiest (??) method would be to use Virtual Audio = Cable.

The=20 more complex (but VAC-less) way, if ASIO is supported by the = audio-receiving=20 application, is decribed in the 'Audio I/O' manual:

http://www.qsl.net/dl4yhf/AudioIO/AudioIO_Manual= .pdf

The=20 relevant chapter would be "Installation of in_AudioIO.dll as an ASIO=20 device".



Now back to the soldering = iron..

73,  Wolf=20 .



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