Low Frequency Hum in the Earth
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zBrown

Ice climber
chingadero de chula vista
Sep 20, 2012 - 04:31pm PT
Well it appears that there is not an answer yet. Once one is found, it will probably explain why no one is detecting a high frequency hum in the earth.
healyje

Trad climber
Portland, Oregon
Sep 20, 2012 - 06:10pm PT
110 is well within the range of the iPhone microphone's frequency response and if you buy Performance Audio's $1.99 'Audio Tools' app you'll have the tools in hand to sort it out - a recorder, scope and a tone generator are all included in the app.
ionlyski

Trad climber
Kalispell, Montana
Sep 20, 2012 - 07:03pm PT
110 what? Hz or decibels? Tom's talking low freq so if you mean cycles I'd be looking in the 40hz to 60 hz range.

I don't know Healy but I'd go outside the realm of an Iphone on this one. Just my opinion though.

Arne

Edited-maybe I was hasty. I didn't realize you guys were already talking about 110hz. In my busisness we don't call that low freq. and I let my bias interfere.
TomCochrane

Trad climber
Santa Cruz Mountains and Monterey Bay
Topic Author's Reply - Sep 20, 2012 - 09:42pm PT
Thank you to everyone who is helping to work this out!

It seems to me there are about four basic possibilities:

1. We are hearing some unusual naturally produced phenomena such as magma movements, groundwater movements, fault line movements, jet streams in the air, or auroras. I find these very difficult to believe based upon the constant steady tones and well differentiated on/off patterns being observed at widely separated locations.

2. We are hearing internally produced perceptions similar to tinnitus. I would find this to be likely if there were not such discrete and precise variations that do not change with body position or movement.

3. We are hearing actual sounds produced by some artificial electro/mechanical means in the earth environment. Several people have correctly suggested that we should be able to detect and record these.

As part of making a movie, I have recently been making hours of recordings with sophisticated professional equipment in quiet outdoors environments below water and above water. These sounds (The Hum) are not appearing on the sound track. Other very small sounds have been picked up, such as the shifting of desiccant grains in a paper envelope inside the underwater camera housing.

We have been diving as deep as 120 feet in a quiet lake with no outboard motors allowed. It is very quiet down there except for the sounds of our breathing apparatus. When I hold my breath, it all goes quiet enough to hear even very tiny sounds...but not The Hum down there. This is part of the reason I decided to start this thread.

By the way, we are working on a big aerator suspended vertically in the water column. We sometimes leave it running while working on it. While running it 'sings' at a very low steady rumble that is easier to feel than to hear. The underwater recording equipment does pick up this sound.

We are also using underwater sound equipment (Aga Masks) that allow us to talk to each other under water. There are two types. One uses wires direct to the surface, attached to our surface-supplied-air umbilicals. The other uses sonar principles. Neither one seems to pick up The Hum underwater.

I was diving without either one of these on some occasions while trying to listen carefully down deep.

4. We are hearing sounds induced in the body/brain by some broadcast radio frequency. This seems possible to me, but I don't have the equipment to test this.

I happen to know that the very extensive secret research done for mind control weapons and used in recent wars by psych ops teams are operating at radio frequencies in the range of 400-425 Hz. That would be closer to the audio range of a violin A-string (440 Hz); not the approx 110 Hz audio patterns we have been discussing. It is unclear to me whether a radio signal broadcast at one frequency could induce an audio signal at another frequency, based upon some natural resonance in the body/brain system.
healyje

Trad climber
Portland, Oregon
Sep 20, 2012 - 10:21pm PT
http://en.wikipedia.org/wiki/Microwave_auditory_effect
ionlyski

Trad climber
Kalispell, Montana
Sep 20, 2012 - 10:30pm PT
Tom,
Do you mean roughly 425 Mhz for the radio freq. or 425 hz? I've never heard of radio freq at 425 hz but much of my wireless radio equipment operates in that MHZ range.


Arne
TomCochrane

Trad climber
Santa Cruz Mountains and Monterey Bay
Topic Author's Reply - Sep 20, 2012 - 10:45pm PT
Do you mean roughly 425 Mhz for the radio freq. or 425 hz? I've never heard of radio freq at 425 hz but much of my wireless radio equipment operates in that MHZ range.

I do mean 425 Hz. This requires an exceptionally large antenna, about the size of a football field.

I don't imagine the field portable psych ops systems use anything like this big. I don't know much about antenna arrays and am not privy to information as to whether there is some way to synthesize a large antenna array across multiple helicopters or anything like that.

Whatever they used certainly produced dramatic results in getting fanatical battle-hardened Iraqi troops to stream out of their deep bunkers waving white flags.
healyje

Trad climber
Portland, Oregon
Sep 20, 2012 - 11:38pm PT
We drove Iraqis out of bunkers with the standard North American dial tone?
TomCochrane

Trad climber
Santa Cruz Mountains and Monterey Bay
Topic Author's Reply - Sep 21, 2012 - 12:52am PT
We drove Iraqis out of bunkers with the standard North American dial tone?

Perhaps it was calls from their girl friends...
Jan

Mountain climber
Okinawa, Japan
Sep 21, 2012 - 01:05am PT
I think it would be worthwhile to plot the places The Hum has been heard in regard to military bases. I'd be interested to know if it corelates with beached whales and dolphins in maritime areas also.

I'd be interested in knowing in particular if the surrounding military bases were listening posts. I have been told in the past that there are places on the earth where the ionosphere is different and sound is better received and sent than others. Our listening posts are of course located in those places. Their locations are known to other countries as well. You may be hearing efforts to jam reception or experiments by ourselves at masking communications.

On top of that, I think some people are more sensitive than others, Tom being a prime candidate because of his training as a tracker.

And finally, I know Okinawa is a center for ELF transmissions and bristling with military antenna, and I've felt faraway earthquakes here, yet I've never heard the hum. It certainly makes one wonder.
rockermike

Trad climber
Berkeley
Sep 21, 2012 - 01:29am PT
Personally, I think it is secret underground boring machine building tunnels from one secret underground base to another. Either aliens or new world order guy ( who are actually aliens too) ha
TomCochrane

Trad climber
Santa Cruz Mountains and Monterey Bay
Topic Author's Reply - Sep 21, 2012 - 02:08am PT
Personally, I think it is secret underground boring machine building tunnels from one secret underground base to another. Either aliens or new world order guy ( who are actually aliens too) ha

The Hum switches on and off too quickly for it to be caused by heavy machinery.
healyje

Trad climber
Portland, Oregon
Sep 21, 2012 - 02:12am PT
Well, if you don't have an iPhone, it sounds like as good an excuse to get one as any. You can also get an iRig Pre if you want to use your own mic.

http://www.ikmultimedia.com/products/irigpre/
katiebird

climber
yosemite
Sep 21, 2012 - 10:42am PT
I have heard thus hum! The first time was last year in the Needles - it drove me a little nuts. No one else could hear it and they all told me it was my inner ear. But, if I plugged my ears I couldn't hear it. It was a different frequency than the high pitch ear thing. This was different. I heard it almost every night while we were there, the first night it woke me from my sleep. I had tuned into this very low sound that seemed to be off in the distance somewhere. Like some massive generating station by Bakersfield or something. I also just heard this while up in the Yukon this last month.
ionlyski

Trad climber
Kalispell, Montana
Sep 21, 2012 - 11:03am PT
Italic TextWhatever they used certainly produced dramatic results in getting fanatical battle-hardened Iraqi troops to stream out of their deep bunkers waving white flags.Italic Text

Yikes!
katiebird

climber
yosemite
Sep 21, 2012 - 11:11am PT
http://en.wikipedia.org/wiki/The_Hum
cliffhanger

Trad climber
California
Sep 21, 2012 - 07:32pm PT
"Energetic particles in the magnetosphere emit radio waves that are audible to humans. The NASA Radiation Belt Storm Probes mission's (RBSP) instrumentation captured an instance of the event. The 'chorus' phenomenon is well known by scientists.
Credit: NASA / SPACE.com "

http://www.space.com/17708-weird-sounds-picked-up-by-space-probes-in-earth-s-magnetosphere-video.html
zBrown

Ice climber
chingadero de chula vista
Sep 21, 2012 - 07:49pm PT
Still no answer. This is proving to be more difficult than anyone would have imagined.

I am still concerned about high frequency and ultra high frequency "humming" that could be going on and of which we remain unaware, unless alerted by ours dogs.
Ksolem

Trad climber
Monrovia, California
Sep 21, 2012 - 08:05pm PT
Energetic particles in the magnetosphere emit radio waves that are audible to humans

The only way I know that a human can hear radio waves is with a radio receiver. We have ears, not antennas.
cliffhanger

Trad climber
California
Sep 21, 2012 - 08:35pm PT

Researchers from the Electric and Magnetic Field Instrument Suite and Integrated Science (EMFISIS) team at the University of Iowa have released a new recording of an intriguing and well-known phenomenon known as “chorus,” made on Sept. 5, 2012. The Waves tri-axial search coil magnetometer and receiver of EMFISIS captured several notable peak radio wave events in the magnetosphere that surrounds the Earth. The radio waves, which are at frequencies that are audible to the human ear, are emitted by the energetic particles in the Earth’s magnetosphere.

“People have known about chorus for decades,” says EMFISIS principal investigator Craig Kletzing, of the University of Iowa. “Radio receivers are used to pick it up, and it sounds a lot like birds chirping. It was often more easily picked up in the mornings, which along with the chirping sound is why it’s sometimes referred to as ‘dawn chorus.’”

http://www.nasa.gov/mission_pages/rbsp/news/emfisis-chorus.html

http://www.spaceweathersounds.com/sndbites.htm

http://en.wikipedia.org/wiki/Dawn_chorus_%28electromagnetic%29

http://www.google.com/search?hl=en&output=search&sclient=psy-ab&q=%27chorus%27+phenomenon+radio+waves&btnG=
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