One more thing. This PAR unit has two inputs. A and B. It is labeled 100Meg 47pf. There are selector buttons where you can choose input A, or B or both. From...
George, I made the time to go through the theory of operation part opf the SD-131 tracking filter and I think I discovered why I do not see Diurnal. Sorry for...
Marty, If ever you decide to try E-Field here is where I purchase my insulators. They taint cheap and of course you can use a bottle instead. perhaps a "Wild...
Sheesh, So far it looks like the tracking filter is compensating for the gain reduction. I suspect because I am using the unity gain output of the tracking...
I will also offer a proposition for you Marty. If you decide to have a full time SR setup and wish to fulltime upload charts let me know. I can make a spot on...
You got that right. You can see from the formula F>R/2piL you have two choices for lowering F; either lower R or increase L. R is easily lowered by the use...
I see the Bearcave at Electricterra http://www.electricterra.com/Bearcave/SDR20080723_0000Spec.jpg monitoring a 1Hz segment centered on the 5th 60Hz...
Well Halleluja! We are back in business. I have had alot of lightning for the past three days so that is why things are shut down. Even the huricane in Texas...
Folks, Brian asked me to let y'all know that he has had some difficulty with his posts to Yahoo groups not going through. He has had to rejoin them but the...
How much exactly do I want to increase the inductance of a loop to receive the first Schumann? Is there any limit to the amount I can increase it? Marty R....
So far Bear it displays the frequency after each line but it reads 3 Hz. less then the peak frequency shown at the top of Alpha. Should they coincide or not?...
Well it began a new chart so we will see in an hour Bear but as an example the peak frequency at the top of Alpha reads 7.79Hz. and the new on after each line...
Good explanation Bear on mechanically lowering the vibrational frequency of a loop system. This email is to post a receiver change I made. I had been using ...
Hi all, I'm here for more then a year, I read from time to time what you are posting, and I have to say that you do fantastic. Long time ago I asked this sort...
Hey, I very much like the Schumann Resonance pictures I see in the files. Were these actually received with some of the receiver specifications that are also...
There is a partial chart uploaded and now Alpha is starting at the top of the hour. The partial chart shows a variation in frequency. This could be what John...
After some experimentation last night I decided a small program revision was in order. I had noticed that Alpha was consuming a larger percentage of CPU...
Other then the filtering between the receiver and Alpha it is on it's own. Bandpass is set for 2.2Hz. and tracking set for .5Hz. variation from 7.83Hz....
The 0200 and 0300 chart is using the Krohn-Hite for post filtering. The 0600 and following charts are using Alpha 30 in track mode and bandpass plus transient...
So far Bear the Adaptive Limiter is holding it's own through the daytime noise and garbage. "Impressive". Soooooo I have the SD-131 tracking SR as fed from the...
Now if you look at the 0700 and 0800 charts which were from the middle of my nighttime you will see the core as I call it brighten starting around 0730 and...
