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SR-40 at 1uV & 50uV w/XG-1
Got an XG-1 signal gen kit from Elecraft yesterday. Built it this morning and had to try it out. Two pictures are posted showing the results. The signals are displayed with Rocky at a 6 zoom
By Chuck Carpenter <w5usj@...> · #632 ·
Re: SR-40 Noise Picture
displayed by look more microphonics in Did anyone tried to use isolation transformers to on the audio inputs? Jean-Claude Abauzit, PJ2BVU
By jabauzit · #631 ·
SR-40 phase check
The PowerSDR program also has a great feature to check the output phase relationship from the SR-40. It's "PHASE" under the MODE menu. No circle, no 90 degrees. 73 Kees K5BCQ
By windy10605@... · #630 ·
SR-40 Noise Picture
Posted a picture of the noise around the center frequency as displayed by Rocky. This picture is with the antenna disconnected and makes the noise look more intense. It seems to be a ground problem
By Chuck Carpenter <w5usj@...> · #629 ·
Rocky 1.04
Rocky 1.04 has been released. This update addresses signal distortion in Creative Labs Soundblaster 24 Bit External. Please send bug reports to my direct email, do not overload this group. 73 Alex
By Alex, VE3NEA · #628 ·
SR-40 and Rocky Calibrated
Yesterday morning, using the 25 Hz filter in my FT-847, I set a crystal zerobeat on 7042. A Rock-Mite oscillator is the signal source (no antenna). I did this after everything had been on for about
By Chuck Carpenter <w5usj@...> · #627 ·
Re: Rocky 1.03 is available
Alex, In Volume Control, Advanced, there are check boxes for AC3 SPDIF and PCM SPDIF. Both were already unchecked. I couldn't find anything else like this in the control panel SoundMax icon
By Bill Dumke · #626 ·
Sound Card Comparison Question
The Soundblaster Audigy2 ZS and The Creative Labs Audigy2 ZS sound cards have the same specifications, EXCEPT maximum sample rate: Soundblaster: 24 bits at 96Khz Creative Labs: 24 bits at
By Phil Stewart · #625 ·
Re: Rocky 1.03 is available
Hi Bill, Microsoft says error 87 is Invalid Parameter. If your card supports SPDIF, turn it off in the Control Panel and see if this makes a difference. My on-board SoundMAX works fine. 73 Alex
By Alex, VE3NEA · #624 ·
Re: Rocky 1.03 is available
Aha! Now I know how to fix this. Stay tuned! 73 Alex VE3NEA Alex, Thought you would like to know. As respects the ver. 1.03. Works perfectly with the on-board, a Realtek AC-97.
By Alex, VE3NEA · #623 ·
Re: Rocky 1.03 is available
Alex, Downloaded and installed Rocky 1.03 over Rocky 1.02. Get the following error message: Unable to Start Output to SoundMax Digital Audio: error 87 Attached is the file from your WDM
By Bill Dumke · #622 ·
Re: Rocky 1.03 is available
Alex, Thought you would like to know. As respects the ver. 1.03. Works perfectly with the on-board, a Realtek AC-97. However, still not working with a Creative Labs Soundblaster 24 Bit
By N3WT <n3wt@...> · #621 ·
Re: Rocky v1.03 msg: Unable to start output to SB Live Wave Device
WOW! Rocky v1.03 works remarkably well. Thanks, Alex. I decided to quit fighting City Hall by using a non-supported sound card, and ordered, today, an M-Audio Delta 44. Dick
By patt896 <d.patten@...> · #620 ·
Rocky 1.03 is available
Rocky 1.03 has been uploaded to http://www.dxatlas.com/rocky/rockysetup.zip This version is supposed to fix a number of problems (none of which I could reproduce on my system) - in particular, the
By Alex, VE3NEA · #619 ·
Re: Rocky v1.03 msg: Unable to start output to SB Live Wave Device
Hi Dick, Perhaps you tried Rocky 1.02, I am uploading v.1.03 as I am writing this. Please download the new version in a few minutes and see if the problem is fixed. 73 Alex VE3NEA
By Alex, VE3NEA · #618 ·
Re: Two switch QSD test
Tony & Alberto What about paralleling the unused switches in the '3126, since you are only using to in the new configuration? Cecil - WA6RDY
By Cecil Lindsey <lindsey@...> · #617 ·
Fw: re:7.056Mhz
AAhhhh SURE!!! .........Sometimes my brain is not in gear yet. Kees ----- Forwarded Message ----- From: "josephlevy" <josephlevy@...> To: softrock40@... Date: Mon, 17 Oct 2005
By windy10605@... · #616 ·
Re: 7.056Mhz
You got me curious now. When I put the sf40 next to the antenna tuner I get a nice s7 @7.054.26 with the tuner hooked to the radio (857) and another s9 sig from my network switch at 7.053.36. The
By fargonaz · #615 ·
Re: Two switch QSD test
Hello Alberto and tony The other parts of the switch will come handy for a TX. the SR40 has a 10 ohm resistor in series with the source impedance so the influence of 2 ohms in minute. (you could
By josephlevy · #614 ·
Re: 7.056Mhz
Hi It's not a spur at all, its the zero (or dc) part of the spectrum that the sound card is processing. (and thus will be at the center of the display (because of the way the I/Q is processed)
By josephlevy · #613 ·