An experiment with a small pair of loops and notebook with sound card as the receiver. Hopefully detail is here. https://www.dropbox.com/s/e0s7flhqeq0p4l9/4%20m%20loops.zip?dl=0 Regards, Edgar Moonah
Hi Edgar, The link doesn't work any more. Do you have another source for the file, or maybe you can put it on a website.. 73, Stefan Am 03.01.2017 00:45, schrieb edgar: An experiment with a small pai
Hi Stefan, Try this one. https://www.dropbox.com/s/9x26r4x4ifx3rzr/4%20m%20loops.zip?dl=0 Dropbox have "improved their service" by making the public folder private from March this year. I am trying t
Hi Edgar, Thanks, interesting pictures. What AL value do these ferrite cores have? Is it an FT80-77? Maybe the AL is to low, so you may get better results when using 3 of them in parallel, with the s
Editing the url slightly (www -> dl, remove the ? appendix) bypasses the cumbersome pre-download page: https://dl.dropbox.com/s/9x26r4x4ifx3rzr/4%20m%20loops.zip Another option would be more turns on
Hi Stefan, The loop is just the result of some experimentation, make it a see how it performs. I was surprised how good the results were. The ferrite cores are FT50-75, AL 2750, I will continue to tr
Thank you for the config files Edgar That makes me (finally) realize how to make the frequency list work in my grabber. I was trying to use Labels but it is not the way PC at my Rx site was upgraded.
Hi Luis, Am 04.01.2017 12:31, schrieb VIGILANT Luis Fernández: A fourth window at VLF showing two Alphas at about 12KHz is added now http://ea5dom.ure.es/grabber/index.html Wow, that's great L
Hi Luis, Glad that you found the information useful. You may wish to adjust the amplitude ranges in the Spectrum Lab instances on your grabber. In Spectrum Lab select: "Options" > "... part 2: Ampl-R
Hi Markus, Thank you for your suggestions. Are you suggesting to have 3 turns of the loop wire ( 1 turn now ) and 36 turns on the secondary of the transformer? Regards, Edgar
Hi Edgar, He suggests to have 3 primary turns on the transformer and 36 secondary. 73, Stefan Am 05.01.2017 00:06, schrieb edgar: Hi Markus, Thank you for your suggestions. Are you suggesting to have