I had the same divide by 3 instead of 4 on my Softrock RXTX 6.3. At a certain frequency (around about 6 MHz) the division jumped from 3 to 4 (or 4 to 3...
72262
Alan
alanzfq
Feb 16, 2013 12:23 pm
... Subject: Re: [softrock40] SI570 Question I had the same divide by 3 instead of 4 on my Softrock RXTX 6.3. At a certain frequency (around about 6 MHz) the...
72263
John
v321uk
Feb 16, 2013 12:58 pm
John, Interesting fault. But this "fault" is multiply by 3. It happens because we are dealing with square waves and has been reffered to as "sub harmonic" ...
72264
richard.lawn@...
richard.lawn...
Feb 16, 2013 1:55 pm
Not sure after reading this again how it's possible since R63 was mounted in an earlier stage. Ill see if I can find another 10k resistor of the right...
72265
Parks, Tony
kb9yig
Feb 16, 2013 1:59 pm
Hi Rick, Please send me your mailing address and I will send you a 10k resistor as I mail kits this morning. 73, Tony KB9YIG...
72266
Alan
alanzfq
Feb 16, 2013 2:17 pm
... Subject: Re: [softrock40] SI570 Question John, I'm not sure if you understood. To put it bluntly I'm saying you are wrong. N9MS has not got a divide by 3...
72267
John
v321uk
Feb 16, 2013 3:10 pm
Interesting to calculate permutations to see how those frequencies can be arrived at ... I cant look at it until Monday. Not difficult just time consuming. ...
72268
richard.lawn@...
richard.lawn...
Feb 16, 2013 3:52 pm
Thanks a bunch! Rick Lawn 1021 owl lane Cherry hill, nj 08003 73 Rick...
72269
Zack Widup
w9sz
Feb 16, 2013 4:15 pm
I've been playing around with my Ensemble II a lot. Although the frequency range is specified to be 1.5 to 30 MHz, I find I can tune the AM band down to 800...
72270
Parks, Tony
kb9yig
Feb 16, 2013 4:53 pm
10k 1% resistor is in the mail Rick. Hope the kit build goes well for you. 73, Tony KB9YIG On Sat, Feb 16, 2013 at 10:52 AM, richard.lawn@......
72271
jor
jorschei
Feb 16, 2013 4:56 pm
Hi all, I have tested the Dreambass sterio soundcard from ENERMAX a little thing with the KTH-SDR wide band I&Q receiver and with SHARP. The card is sterio in...
72272
Alan
alanzfq
Feb 16, 2013 5:08 pm
... Subject: Re: [softrock40] SI570 Question ... Zack, Yes, others have said the receivers work well down to the lowest frequency. You may find a few signals 3...
72273
Mike Saeger
devmrs
Feb 16, 2013 8:21 pm
It's fixed. Too embarrassed to tell the group what I did wrong. Missed reading one paragraph of the Si570 setup. Starting to build the TX portion now. N9MS...
72274
softrock40@yahoogroup...
Feb 16, 2013 11:58 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the softrock40 group. File : /W5JH...
72275
netnovel2005
Feb 17, 2013 1:16 am
Hello, ... you can change sampling rate at microphone property on control panel. 73 Miura JA7TDO<http://zao.jp/radio/>...
72276
Alan
alanzfq
Feb 17, 2013 8:47 am
... Subject: [softrock40] Re: SI570 Question ... Sorry Mike, you'll have to tell! John and I are both wrong, save us a lengthy discussion of what you might...
72277
warrenallgyer
Feb 17, 2013 10:26 am
I have done more reading and it seems that "MDS" depends on the eye (ear) of the beholder. The dictionary definition seems to be the "minimum level for a...
72278
john_zl1azs
Feb 17, 2013 11:06 am
Hi all, I'm thinking of some sort of bandscope that will show activity for one band at a time, perhaps in synch with the FT-1000MP. I have a working...
72279
Chris Wilson
chrismwilsonuk
Feb 17, 2013 11:27 am
... 17/02/2013 11:20 I used the IF output on my old Yaesu FT-902DM to look at a small aprt of the band. But as there was no way to make them track one another...
72280
jor
jorschei
Feb 17, 2013 11:38 am
Hello Miura, You are right, What I meen with fixed is thad the sampling can not be set on 192 KHz in Dreambass for a 96 Khz screen witdh. The maximum is 48 KHz...
72281
Gordon JC Pearce
gordonjcp
Feb 17, 2013 12:22 pm
... What do you mean "track one another"? If you centre up the Softrock on the IF of the "source" radio, then as you tune you will see stuff on either side of...
72282
Alan
alanzfq
Feb 17, 2013 12:51 pm
... Subject: [softrock40] Mind-meld between FT-1000MP and Softrock RX-II possible? ... John, Probably the best would be to use an IF Softrock. But Omni Rig...
72283
Chris Wilson
chrismwilsonuk
Feb 17, 2013 1:41 pm
... 17/02/2013 13:36 I mean when you see an interesting signal on the SDR bandscope you click on it and the FT-1000 is ready to transmit, or operate as the ...
72284
w4mwb
Feb 17, 2013 1:47 pm
I recently read that to use PowerSDR with this board you need to change the configuration of the jumpers for the Mike connector. Is this correct? If it is what...
72285
Alan
alanzfq
Feb 17, 2013 2:12 pm
... Subject: [softrock40] Softrock RX/TX ... John, You mean the "Line out" connector? To select the correct TX IQ setting? There is no change, just a one-time...
72286
Chris Wilson
chrismwilsonuk
Feb 17, 2013 3:56 pm
17/02/2013 15:53 Sometimes on 15 meters my bandscope shows the vertical lines in the link to the screenshot of HDSDR The white outline shows the display when I...
72287
g3vnc
Feb 17, 2013 4:03 pm
... MDS is the input signal that produces a 3dB S+N/N ratio at the output in a given bandwidth. The narrower the bandwidth the better the MDS. Quoting MDS...
72288
warrenallgyer
Feb 17, 2013 5:05 pm
Nick: I am with you so far and no argument. So now I need to extend that to calculate dynamic range. Would you agree dynamic range equals Overload Signal Level...
72289
w4mwb
Feb 17, 2013 5:49 pm
I was planning on using a DPDT Minature switch to do this. SO that I could change it on the fly if need be by other software. Thanks so much for the reply...
72290
g3vnc
Feb 17, 2013 8:52 pm
... Hmm. It all depends how you define Dynamic Range and Overload Signal Level! The ARRL Handbook 2011 para 12.4.3 discusses different measures of dynamic...
