What would I hear on a 300 GHz AM Radio Receiver?
 

Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.


Thanks,

Radium

What would I hear on a 300 GHz AM Radio Receiver?
 

Night and day no difference at 300 ghz. There is no such thing as "DXED" on
300 ghz LOL!

You probably wont hear a thing unless your inside a big city. And then only
on FM or spread spectrum that = NOTHING!

Its a waste of money and time trying really


"Radium" wrote in message
oups.com...
Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.


Thanks,

Radium

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 7, 11:02 am, "ralph" wrote:

Night and day no difference at 300 ghz.

Okay.

There is no such thing as "DXED" on
300 ghz LOL!

Why doesn't DX work at 300 GHz?

You probably wont hear a thing unless your inside a big city. And then only
on FM or spread spectrum that = NOTHING!

But on AM, won't magnetic interference cause tones on the receiver of
any frequency provided that the disruption is occurring at the
frequency?

If there is a solar storm causing the emission of electromagnetic
radiation at 300 GHz wouldn't the 300 GHz receiver pick up the signals
caused by the solar storms?

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 7, 12:20 pm, Radium wrote:
On May 7, 11:02 am, "ralph" wrote:


Why doesn't DX work at 300 GHz?

Well, there could be, but at that freq, it would have to be line of
sight.. Like light rays... So DX isn't gonna happen too often, unless
one is on the space shuttle, or you each have gazillion foot towers,
with dishes or whatever aimed exactly at each other..
BTW, a QSO with the shuttle might qualify as DX, due to the
high frequency involved, but the actual distance still won't be too
awful far.. IE: 150-300 nm or so, depending on the orbit..

You probably wont hear a thing unless your inside a big city. And then only
on FM or spread spectrum that = NOTHING!

But on AM, won't magnetic interference cause tones on the receiver of
any frequency provided that the disruption is occurring at the
frequency?

The "tones" you hear at night on MW are heterodynes. IE: the carriers
of various stations clashing with each other. This is due to the
increased
sky wave signals at night. In the day, you have little sky wave, and
most stations you hear are ground wave. Being most are on separate
frequencies, you don't hear many het's...
Het's are a common noise on the CB bands... AM anyway...
Listen to ch 19...Heterodyne city...
You would hear the same thing at 300ghz if two stations were
on the same frequency at the same time. Frequency has nothing to
do with that.

If there is a solar storm causing the emission of electromagnetic
radiation at 300 GHz wouldn't the 300 GHz receiver pick up the signals
caused by the solar storms?

I imagine so, if the antenna, dish, whatever were pointed at the sun.
At that frequency, most anything you hear will be direct line of sight
space wave. So don't expect to hear too much around there, unless
you have services using that freq in your close area. I don't even
know
who uses 300 ghz to tell you the truth.. That's a pretty high
frequency.
MK

What would I hear on a 300 GHz AM Radio Receiver?
 

300Ghz is a 1 mm wave. It is pure line of sight. OTOH, it would
probably be pretty quiet, both because the S/N ratio would be high
(line of sight only transmission), and few devices are capable of
generating energy accidentally or deliberately at that wavelength.


On 7 May 2007 10:38:47 -0700, Radium wrote:

Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.


Thanks,

Radium

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 7, 1:03 pm, wrote:

The "tones" you hear at night on MW are heterodynes. IE: the carriers
of various stations clashing with each other. This is due to the
increased
sky wave signals at night. In the day, you have little sky wave, and
most stations you hear are ground wave. Being most are on separate
frequencies, you don't hear many het's...
Het's are a common noise on the CB bands... AM anyway...
Listen to ch 19...Heterodyne city...
You would hear the same thing at 300ghz if two stations were
on the same frequency at the same time. Frequency has nothing to
do with that.

What is the best frequency if I want to listen to distant heterodynes
from outer space?

AFAIK, if the frequency is too high, then you only get line of sight.
Too low, and you can't get signals from space, because the ionosphere
keeps out long-wave signals. Low-frequency signals on earth that reach
the upper atmosphere are bounced back down to the lower atmospheres
because the ionosphere reflects them.

What would I hear on a 300 GHz AM Radio Receiver?
 

"matt weber" wrote in message
...
300Ghz is a 1 mm wave. It is pure line of sight. OTOH, it would
probably be pretty quiet, both because the S/N ratio would be high
(line of sight only transmission), and few devices are capable of
generating energy accidentally or deliberately at that wavelength.

Not quite true
http://www.orau.org/academic/collabo...ons/4attia.pdf

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 7, 10:38 am, Radium wrote:
Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.

Thanks,

Radium

Radium - Most likely without the 'right' Antenna
and feed-in-line for your device {Radio} you will
not hear anything. ~ RHF

Point-of-Clarification : Does this Device {Radio} clearly
read {labeled as} 300 GHz or could it be 30 MHz

=IF= 30 MHz then you have a Shortwave Radio.
SW RADIO = http://en.wikipedia.org/wiki/Shortwave_radio
? Radio {Device} Brand Name & Manufacture ?
? Radio {Device} Model Number ?
? Better Description of the Device {Radio} Markings ?

=IF= 300 GHz THEN READ THESE :

RADIO = http://en.wikipedia.org/wiki/Radio

Radio Frequency
RF = http://en.wikipedia.org/wiki/Radio_frequency

USA - Frequency Allocation - The Radio Spectrum
CHART = http://www.ntia.doc.gov/osmhome/allochrt.pdf

MICROWAVES = http://en.wikipedia.org/wiki/Microwave

Extremely High Frequency (EHF) (30-300 GHz) Radio Waves
EHF = http://en.wikipedia.org/wiki/Extremely_high_frequency
* Radio Signals in the EHF Band are Extremely Prone
to Atmospheric Attenuation, making them of very little
use over Long Distances (No DX).
* The EHF Band is commonly used in Radio Astronomy.

RADIO ASTRONOMY = http://en.wikipedia.org/wiki/Radio_astronomy

What would I hear on a 300 GHz AM Radio Receiver?
 

wrote in message
oups.com...
I don't even know
who uses 300 ghz to tell you the truth.. That's a pretty high
frequency.
MK

Tanning beds maybe :o)

What would I hear on a 300 GHz AM Radio Receiver?
 

Radium wrote:
NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.


Thanks,

Radium



Horrible QRM from flickering candles, campfires and forest fires?

Regards,
JS

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 7, 10:38 am, Radium wrote:
Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.

Thanks,

Radium

I have an old Microtel "receiver" with a 100GHz limit on the dial.

What would I hear on a 300 GHz AM Radio Receiver?
 

pointing a big dish to the sun you might catch the continuum
emission (increased noise) of a solar flare. This has been
observed very rarely so far. Mind that millimeter waves and
especially 300 GHz are strongly absorbed by water vapour in
the earth atmosphere.

Radium schrieb:
On May 7, 11:02 am, "ralph" wrote:

Night and day no difference at 300 ghz.

Okay.

There is no such thing as "DXED" on
300 ghz LOL!

Why doesn't DX work at 300 GHz?

You probably wont hear a thing unless your inside a big city. And then only
on FM or spread spectrum that = NOTHING!

But on AM, won't magnetic interference cause tones on the receiver of
any frequency provided that the disruption is occurring at the
frequency?

If there is a solar storm causing the emission of electromagnetic
radiation at 300 GHz wouldn't the 300 GHz receiver pick up the signals
caused by the solar storms?

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 7, 1:38 pm, Radium wrote:
Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.

Thanks,

Radium

Which 300GHZ AM receiver did you have in mind?

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 8, 6:16 pm, Roadie wrote:

Which 300GHZ AM receiver did you have in mind?

Any theoretical 300 GHz AM receiver. I want to listen to signals from
far outer space.

Since AM is more susceptible to magnetic disruptions, I'd figure, and
AM radio is more likely to pick up interferences from outer space,
than an FM radio. The question is, which frequency is best for this?
Frequencies that are too low are sealed out of the ionosphere, while
frequencies that are too high rapidly disappear [line of sight].

What would I hear on a 300 GHz AM Radio Receiver?
 

" Since AM is more susceptible to magnetic disruptions, I'd figure, and
AM radio is more likely to pick up interferences from outer space,
than an FM radio. The question is, which frequency is best for this?
Frequencies that are too low are sealed out of the ionosphere, while
frequencies that are too high rapidly disappear [line of sight].


I think you need to understand the basics a little more.

AM and FM are types of modulation and are not susceptible in themselves to
magnetic disruptions. You are getting confused by the fact that "medium
wave" broadcasts are referred to as "AM" when describing which frequency
band they are transmitted on. Although they do use Amplitude Modulation
(AM) there is nothing technically to stop you using FM on the same
frequency. The same applies the band known as FM, which is a vhf band, you
could use AM here if you wished.

300GHz is an extremely high microwave frequency anis absorbed by the
atmosphere very quickly, there are few uses for such a high frequency which
is difficult and expensive to use. So most likely you would hear nothing.

Your comments about the atmosphere are correct, low frequencies, below vhf,
are reflected and generally signals from space do not penetrate that well.
vhf and above will. The modulation, AM or FM have no bearing on this.

Jeff

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 8, 11:47 pm, Radium wrote:
On May 8, 6:16 pm, Roadie wrote:

Which 300GHZ AM receiver did you have in mind?

Any theoretical 300 GHz AM receiver. I want to listen to signals from
far outer space.

Hmm...I'm going to guess the SN ratio will be quite low when tuning in
hypothetical signals on a theoretical receiver.


Since AM is more susceptible to magnetic disruptions, I'd figure, and
AM radio is more likely to pick up interferences from outer space,
than an FM radio. The question is, which frequency is best for this?
Frequencies that are too low are sealed out of the ionosphere, while
frequencies that are too high rapidly disappear [line of sight].

Look into the SETI project instead. There are established reasons for
tuning around 1420mz and the project is organized.

What would I hear on a 300 GHz AM Radio Receiver?
 

"Radium" wrote in message
oups.com...
On May 8, 6:16 pm, Roadie wrote:

Which 300GHZ AM receiver did you have in mind?

Any theoretical 300 GHz AM receiver. I want to listen to signals from
far outer space.

Since AM is more susceptible to magnetic disruptions, I'd figure, and
AM radio is more likely to pick up interferences from outer space,
than an FM radio. The question is, which frequency is best for this?
Frequencies that are too low are sealed out of the ionosphere, while
frequencies that are too high rapidly disappear [line of sight].

Educate me if I am wrong, but I don't think a receiver capable of receiving
either AM or FM voice signals on 300 GHz exists.

Tam/WB2TT

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 7, 12:38 pm, Radium wrote:
Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.

Thanks,

Radium

Chances are you will be able to finally confirm the theory that you
can talk to the dead.

What would I hear on a 300 GHz AM Radio Receiver?
 

Reply to group;

"Radiola" wrote in message
ups.com...
On May 7, 12:38 pm, Radium wrote:
Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.

Thanks,

Radium

Chances are you will be able to finally confirm the theory that you
can talk to the dead.

Go here; www.millitech.com ...............GC

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 9, 6:43 am, Radiola wrote:

Chances are you will be able to finally confirm the theory that you
can talk to the dead.

Reminds me of the film "White Noise"

http://www.imdb.com/title/tt0375210/

What would I hear on a 300 GHz AM Radio Receiver?
 

On May 9, 6:43 am, Radiola wrote:
On May 7, 12:38 pm, Radium wrote:





Hi:

If my location is in southern California, what would I hear on a
"DXed" 300 GHz AM Radio Receiver? Would there be a specific difference
between what I would hear at night and what I would hear during the
day?

On medium-wave station, I notice the interference -- in the form of
tones -- to be louder at night than the day. Does this difference also
apply to extreme shortwave frequencies as high as 300 GHz?

NOTE: I am aware than 300 GHz is most likely FM, not AM. However, am
still curious as to what I would hear on a 300 GHz AM receiver.

Thanks,

Radium

Chances are you will be able to finally confirm the theory that you
can talk to the dead.- Hide quoted text -

- Show quoted text -

Most likely hearing the Dead from a Transmission that
'originated' : One, Ten or a Hundred Million Years Ago.

long ago and far away ~ RHF

What would I hear on a 300 GHz AM Radio Receiver?
 

Radium wrote:

Hi:


Radium is trolling over here too, I see.


--
Service to my country? Been there, Done that, and I've got my DD214 to
prove it.
Member of DAV #85.

Michael A. Terrell
Central Florida