Wolf & Markus, Thanks for explanation! Stefan, you are observing well known sunrise/-set effects and your monitor works fine now. Apart from the Russian/European "usual suspects" NAA (N. America, 24.
Hello Jim and all others, Tnx for your ideas! I could answer in a long mail, as usual ;-) but today i try to keep it shorter ;-) I have done some modifications to the active antenna. The main change
Hello Peter, There are two algorithms, a hard limiter (simple clipper) and a noiseblanker. Fot the clipper, the average (of the signal power) uses a simple lowpass filter with a time constant of a fe
Hello Peter, VLF, Am 22.05.2010 11:33, schrieb pws: Stefan, you are observing well known sunrise/-set effects and your monitor works fine now. I rather think that the amplifiers gain is now much more
Dear Stefan, LF Group, In Spectrum Lab there are different methods for noise reduction (e.g. of lightnings). Those were discussed here in the last weeks. While Jim/M0BMU preferes the clipper (using 0