Hello everyone, I'm new to this group and new to VLF's world and i need your help. I've got to make a lightning detector which must be designed around a DSP...
"SOLAR EXPLOSION: Magnetic fields around sunspot 484 erupted on Oct. 19th at 1650 UT, sparking an X-class solar flare. The explosion hurled a coronal mass ...
Hi Shaun & all, Shaun i have uploaded a file into the files section called static02.mp3. This is what it sounds like when static build up from the clouds is ...
The following is an URGENT plea to all shortwave radio listeners, ham radio operators and anyone that has an interest in the shortwave radio spectrum. BPL -...
Greetings, I am curious if anyone on the group has audio samples of electrostatic discharge, coronal discharge or brush discharge type sounds as heard with an...
Hi, you can go on www.vlf-hf.fr.st , and see my VLF GALLERY, the first part of the page is wrote in french, but the other part in English. Thanks, from...
Greetings, I just arrived back from a wonderful (actually more like fantastic!) five day trip to Alaska. I was accompanied with Bill Taylor and Bill Pine from...
Hi all, HOOOORAAAY !!!!!! Finally getting whistlers here in the UK, Sheffield. Got in from work at 18:15 GMT, switched on the receiver & started to hear...
Hello Group, It may be worth noting that the ricochet phenomonon extends to quite low latitudes. I believe the first one I heard on tape was recorded by Steve...
Let's not go getting too mystical here or seeking after some new "science" where none is needed. So far as origins go, whistlers--any whistlers--are not ...
Hi! I've been lurking on this Newsgroup quite a while (and known via e-mail to one or two correspondents). I don't make my own recordings - yet, but I have an...
Does anyone know if MR (Magnetospherically reflected) whistlers can ever be heard on the ground? They are commonly heard by satellites but I wondered if...
There were whistlers all night here in Colorado. Many of them had long strings of echoes. This Wed. morning, there is S3 chorus/hissband currently in progress...
John and the Group, I was'nt saying that spheric dispersion was generated only by propagation in the earth-ionosphere waveguide, I do understand that...
Shawn's recordings of the unusual whistlers are a real puzzle. They defintely can't be explained by the standard classification of a hybrid whistler which...
Hi all, Can anybody tell me if there is a lower noise FET than the BF244 ? If there is will you still get the same gain as the BF244 or do you sacrifice gain...
Hello group, I tried to adjust the resistance of a small neon bulb (new) by driving it with excessive current for a few hours - without success. It got quite...
I am looking for information on the storage of magnetic cassette tapes. I record natural radio monitoring sessions in stereo on cassettes. I use 60 Minute...
I was just looking in an old book by JJ Thompson and his son GP called "Conduction of Electricity through Gases" Vol 1. Apparantly Elster and Geitel did a lot...
This reminds me of a curious thing I saw when I was a student at Purdue c. 1970. A couple of the electronics tech guys had built a relaxation oscillator with...
hi, my names tom wheeler, a student from sussex uk, i recently got hold of a copy of mcgreevy's electric enigma cd through my interest in electronic music and...
Hi all Vlf'ers, Just found this document about a whistler detector. http://www.cosis.net/abstracts/EGU04/01390/EGU04-A-01390-1.pdf How hard would it be to make...
... Gary and all, to test the first mixer diodes is very simple, and does not require disassembing the mixer. Simply remove the semirigid cable feeding the RF...
I previously mentioned that I just returned from a workshop about space weather physics. The workshop was held in Yosemite National Park and was sponsored by...
Hello groep, Who can write me, which transmitter or kind signal 00.0122.00 kHz is? Thanks in advance, and 73' Cor -- DX begin at the noise level C.L. van...
Can any one hear the Alpha stations? I noticed they had gone yesterday, when I listened on my audio amp and loop ....They are still not there on the Speclab...
