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Content preview: Wolf, Q How to configure SL as audio frequency changer ? say 1500 Hz to 8 KHz , or , 8100 to 8200 etc [...] 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 [80.12.242.80 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 40cd937fc1c5e6338b07d288cd09d087 Subject: Re: LF: VLF exciter / signal generation in Spectrum Lab Content-Type: multipart/alternative; boundary="----=_NextPart_000_0071_01CF0496.75309F40" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,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: 3172 This is a multi-part message in MIME format. ------=_NextPart_000_0071_01CF0496.75309F40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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 ? sound card > SL , then , SL > Application ? will SL appeared as a sound source ? G,=20 From: wolf_dl4yhf=20 Sent: Sunday, December 29, 2013 12:31 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: VLF exciter / signal generation in Spectrum Lab Hello Markus, Stefan, and the group, Am 29.12.2013 12:42, schrieb Markus Vester: One channel sends a continuous uninterrupted 17.94 kHz tone to the = divider, the other channel conveys modulated Opera at an arbitrary = frequency to a VOX rectifier.=20 Indeed, this option is now selectable in SL by selecting 'Auxiliary = output: unmodulated coherent carrier' on the digimode configuration = screen. Details at http://www.qsl.net/dl4yhf/speclab/digiterm.htm#adv_settings I only checked it with ASK (amplitude shift keying) yet but it should = work with PSK too. Would be an interesting experiment to send = Opera-encoded bitstreams as binary PSK... :o) if we already had an = optimized decoder for it. The problem with very long commands (to send blocks of data through the = digimode terminal), as noted by Stefan, has now been fixed. The string = of "zeroes and ones" can be up to 1023 characters long now. V2.79 b9 can be downloaded from=20 http://dl4yhf.ssl7.com/speclab/install_speclab.zip=20 Please keep a copy of your 'working' version because not all of the new = functions in SL have been properly tested yet, and there may be a couple = of bugs lurking in less frequently used subroutines. 73, Wolf . ------=_NextPart_000_0071_01CF0496.75309F40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
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  ?   sound card  = > SL=20 , then , SL > Application  ?
 
will SL  appeared as a  sound  source  ?
 
G,
 

From: wolf_dl4yhf
Sent: Sunday, December 29, 2013 12:31 PM
Subject: Re: LF: VLF exciter / signal generation in Spectrum = Lab

Hello Markus, Stefan, and the = group,


Am=20 29.12.2013 12:42, schrieb Markus Vester:
One channel sends a continuous = uninterrupted 17.94 kHz=20 tone to the divider, the other channel conveys modulated Opera at = an=20 arbitrary frequency to a VOX rectifier.=20

Indeed, this option is now selectable in SL by = selecting=20 'Auxiliary output: unmodulated coherent carrier' on the digimode = configuration=20 screen. Details at

http= ://www.qsl.net/dl4yhf/speclab/digiterm.htm#adv_settings

I=20 only checked it with ASK (amplitude shift keying) yet but it should work = with=20 PSK too. Would be an interesting experiment to send Opera-encoded = bitstreams as=20 binary PSK... :o) if we already had an optimized decoder for = it.

The=20 problem with very long commands (to send blocks of data through the = digimode=20 terminal), as noted by Stefan, has now been fixed. The string of "zeroes = and=20 ones" can be up to 1023 characters long now.

V2.79 b9 can be = downloaded=20 from
 http://dl4yhf= .ssl7.com/speclab/install_speclab.zip=20

Please keep a copy of your 'working' version because not all of = the new=20 functions in SL have been properly tested yet, and there may be a couple = of bugs=20 lurking in less frequently used subroutines.

73,
  Wolf=20 .

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