This is not what we do on the Softrock40. The 11 kHz IF is used in the SDR-1000 in order to do exactly what Frank says and that is avoid 1/F, DC, junk, noise,...
179
Ramakrishnan Muthukri...
rkrishnan_m
Oct 1, 2005 3:37 pm
Bob, Thanks a lot. I plan to replace the crystal with my NJQRP DDS for the time being. Thanks again. This thread enlightened and increased my understanding of...
180
John Melton
n6lyt
Oct 1, 2005 6:02 pm
First I would like to say how impressed I have been with the little SoftRock40 and the PowerSDR software. It has been a long time since I have worked HF and...
181
jabauzit
Oct 1, 2005 6:06 pm
... the ... 1/F, ... performance. ... Hello Bob, Could you resume in a few sentences the difference between the SoftRock-40 and the SDR-1000 in this regard? I...
182
John H. Fisher
austinham75
Oct 1, 2005 6:41 pm
This is a terrific idea, what a wonderful concept. The possibilities are infinite. Wish I knew enough to help out, but please pursue this line of thinking. A...
183
Bill Tracey
wjtracey
Oct 1, 2005 7:10 pm
When tuning an SDR 1000, if spur reduction is turned off, the DDS is tuner 11025 khz below the frequency of interest and the software (DttSP) oscillator is set...
184
KY1K
ky1k@...
Oct 1, 2005 7:42 pm
Although it's not a softrock, there is a 40 meter QSD based 40 meter receiver on the internet, it is not full time. Several weeks ago, I sent a string of slow...
185
Steven Bible
srbible
Oct 1, 2005 9:24 pm
John, It's good to see you are still alive and well! Your idea of networking receivers around the world reminded me of the Universal Digital Reciever (UDR)...
186
Rein A. Smit
observer35
Oct 1, 2005 9:39 pm
Would it be really much fun having some super server streaming high resolution raw 20 meter or 144 Mhz wide band data of the moon? { Aracibo ) 73 Rein W6/PA0ZN...
187
fargonaz
Oct 2, 2005 12:04 am
... since I ... to ... with a ... that ... this is ... the ... the ... just ... good ... Microsoft ... to use ... look ... from a ... I wish I could help I...
188
Edson Pereira
ewpereira
Oct 2, 2005 2:58 am
Hi Art, The 40m Spectrometer is in the process of being relocated to a new QTH. It was in the urban QTH of William, PY2GN, but William had to move and for a...
189
KY1K
ky1k@...
Oct 2, 2005 3:10 am
Thanks for the info Edson. I must have caught it when it was running and it indicated my 100 watts was very readable there (from Maine). I'd appreciate knowing...
190
Frank Brickle
ab2kt
Oct 2, 2005 12:34 pm
... use ... John -- As far as the Linux code goes, it's pretty straightforward to implement networked sources and sinks for jack data without programming. The...
191
kd5nwa
Oct 2, 2005 4:32 pm
For those interested, I found the link below to free evaluation software for the Microsoft C# compiler. It's a large download (289 Megs) and some of the...
192
John Melton
n6lyt
Oct 2, 2005 4:40 pm
Hi Frank, thanks for the info. I will be away on vacation for the next week but will get back to looking at this when I get back. Regards, -- John...
193
Bruce Beford
n1rx
Oct 2, 2005 9:12 pm
Hello everyone. In keeping with my inability to leave well enough alone, I have modified a SoftRock for use on 80m. The input filter and transformer have been...
194
Ramakrishnan Muthukri...
rkrishnan_m
Oct 3, 2005 2:27 am
... There is a Free C# runtime/development environment called mono. http://www.mono-project.com/Main_Page It is cross-platform, than tied to a single...
195
Frank Eory
transistorma...
Oct 3, 2005 3:36 am
Hi, I was googling to find a list of interesting frequencies to listen to on 40m. Could anyone show me a list? Frank...
196
kd5nwa
Oct 3, 2005 3:54 am
Someone chose for some reason to use .Net and that is tied to the *crappy* OS. Also that software may have not been mature enough for serious use when they had...
197
kb9yig
Oct 3, 2005 10:15 am
Good Morning All, I have fifteen Version 4.0 SoftRock40 partial kits available for experimenters. The kit includes the v4.0 PCB, the six integrated circuits...
198
Bruce Beford
n1rx
Oct 3, 2005 11:55 am
Hello everyone. I have been able to aquire a large quantity of the 40.500Mhz fundamental-mode crystals required to move the SoftRock-40 to 30 meters. After...
199
windy10605@...
keestheham
Oct 3, 2005 12:41 pm
Hi Tony, I would be interested in about 5 PCBs by themselves if you have that available. 73 Kees K5BCQ...
200
wb2srf@...
radioface1
Oct 3, 2005 1:00 pm
Hi Tony, I would like one partial kit 73, Bob Johansen WB2SRF...
201
Tony Parks
kb9yig
Oct 3, 2005 1:03 pm
Hi Kees, At the moment I want to see if the partial kits, PCB plus the ICs, will sell as I liquidate my excess kit supplies. If I have PCBs left over at the...
202
Tony Parks
kb9yig
Oct 3, 2005 1:05 pm
Hi Bob, I will put you down for a partial kit. Payment may be made via Paypal at user name raparks@... Thanks and 73, Tony KB9YIG ... From:...
203
George Heron N2APB
n2apb
Oct 3, 2005 2:19 pm
Our kitting team lead reports that 270 of the SoftRock-40 Kits for Round 2 are now in the mail. The remaining 130 are waiting on the final semiconductor...
204
Garey Barrell
k4oah
Oct 3, 2005 2:30 pm
Tony - A little faster this time! I'd like one partial kit. I do still want one of your "built" units when they become available. 73, Garey - K4OAH Atlanta ...
205
Tony Parks
kb9yig
Oct 3, 2005 2:36 pm
Hi Garey, I will put you down for one of the partial kits. Payment may be made by Paypal at user name raparks@... Thanks and 73, Tony KB9YIG ... From:...
206
Bruce Beford
n1rx
Oct 3, 2005 2:53 pm
Good Morning everyone. I have posted two more photos to the N1RX folder. These show the "noise spike" at the center frequency of a SoftRock-40. One shows the...
207
Bruce Beford
n1rx
Oct 3, 2005 2:56 pm
Good Morning everyone. I have posted two more photos to the N1RX folder. These show the "noise spike" at the center frequency of a SoftRock-40. One shows the...
