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WH2XDE 1750 kHz.
 
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WH2XDE 1750 kHz.

 
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Last Post by Anonymous 11 years ago
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 MICRO1700
(@micro1700)
Posts: 195
Honorable Member Registered
Topic starter
 

Is an experimental station

granted by the FCC to test

digital AM BCB "voice" modes.  I have

more info but am having

computer problems.

You can google it or look at the

various monitoring blogs. 

Best Wishes,

Bruce


 
Posted : 12/11/2014 9:35 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Interesting stuff.  I'll be listening, time permitting.  I'm interested in the freeware Ham digital voice modes.  New York to Ohio is do-able.

I've only scratched the surface with FreeDV.  Using an SSB receiver and FreeDV software you can receive this digital voice mode.

Check out FreeDV HERE


 
Posted : 13/11/2014 5:09 am
 Anonymous
(@Anonymous)
Posts: 0
 

Just tried 1750 from indoors with a 1-meter whip... nothing there.

Given that it's a digital station, would anything be audible on a plain AM-SW receiver?

It was fun anyway.


 
Posted : 13/11/2014 7:22 am
 Anonymous
(@Anonymous)
Posts: 0
 

I'm in CT, not too far from

any part of NY.

I seem to have missed them. 

My monitoring set-up isn't fantastic,

but it's somewhere in the "OK" to

"pretty good" range.  I have heard

1 kW AM stations from California, about

3000 miles from here. 

Little bits and pieces I have

heard say they are having

antenna problems.  So maybe

they are off and intend to come

back on. 

I guess a bunch of us will be monitoring

1750 and (oh yeah) 9395 kHz - the other

thing of interest.  Unfortunately I have to

run. 

Best Wishes,

Bruce,  MICRO1700, Noise and Static, Etc.

P.S.  I ran back.  Carl, they were doing

morse code and AM.  I think if they were

digital you would hear something (?)

Have you heard DRM - Digital radio Mondiale

at all?  The BBC used to transmit it on 3955 kHz. 

It was audible in the U.S. during the wintertime.

It just sounded like a bunch of noise. 

Best Wishes Again


 
Posted : 17/11/2014 8:37 pm
 Anonymous
(@Anonymous)
Posts: 0
 

As of Friday 12/12/14, word is that WH2XDE/1

will be testing Saturday evenings (for

us in the U.S.)  But to make it less confusing,

in UTC that is Sunday 0000Z to 0400Z.  So, for

me, for instance, here on the east coast, I guess

that's 7:PM to 11:PM Saturday evenings, local EST.

Anyway, they will be 1kW on 1750 kHz AM, and

digital modes, with less transmitter power.

I haven't heard them yet so I don't know what to

expect.  I will give them a try tomorrow night.

I would think 1kW on 1750 kHz which is clear,

(except for occasional fishing beacons in that part

of the spectrum, and the beacons must be pretty weak)

- well - yeah, anyway so 1750 kHz should be good for

quite a distance.  I don't know where Victor, NY is.

I will have to look it up.

So you guys who like this sort of stuff and

have fairly good AM receiving set-ups, check

it out.  This is a rare one.

Excuse the cruddy grammar, I'm trying to type

this while I'm doing something else.

Very Best Wishes,

Bruce


 
Posted : 12/12/2014 4:15 pm
 Anonymous
(@Anonymous)
Posts: 0
 

I took a quick look at a map.

Even though they are in NY, they

are farther from me (CT) than I thought.

It's not like Victor, NJ is near New Jersey

or anything like that.  (New Jersey, New York,

and Connecticut all come close together at a

point while is refered to as the "Tri State Area.")

It's not near there.  It's in a part of NY which is

situated some distance up from the central part

of PA.  OR, better said, a few hundred miles up(?) from the

 central upper PA/lower NY border.)  Well - I'm not good

with maps.  I guess the ionosphere will determine

what happens with the signal anyway.

Good luck trying to hear it.

Bruce


 
Posted : 12/12/2014 4:36 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Neil, if you were able to try hearing

it on your military receiver (it's a

version of the R-390A, isn't it?)

I would think you would be

able to hear it.

Bruce


 
Posted : 12/12/2014 4:47 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Bruce, and everybody, I promise to eventually setup a good shortwave reception antenna to really play a part in the fascinating transmissions that keep happening.

Even with my simple-dimple indoor 1-meter telescoping antenna I try...

At 9:15 PM CST I hear only noise at 1750 kHz, but I have not done a time conversion to know if it's the right time to try. I'm way to careless to bother with that.


 
Posted : 12/12/2014 7:17 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Hi Carl and everyone else.

 

If this is a digital transmission you will not receive it on an analog receiver.

You need a digital to analog converter to hear the audio. You will only

hear white static other wise. It like when Satelite went from analog to digital

signals they should signal going from a picture to pure white static on the

screen on their commercials if you did not get a digital receiver.

you are going to need a shortwave receiver capable of receiving digital signals.

Google shortwave receiver receives digital signals.

This is what you will need. The older shortwave radios will not work.

Thanks

 

 


 
Posted : 12/12/2014 8:44 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Ok everyone

 

Go to this site for info on 1750

 

https://www.mail-archive.com/[email protected]/msg69998.html

This will be helpful to everyone trying to receive this station

 

Thanks

 


 
Posted : 12/12/2014 8:54 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Well what the heck.  I'm going to check

it anyhow.

I've heard DRM on regular radios without

decoding gear or software.  You don't

know what they're saying but

it's just for fun anyway.

Maybe he'll do some AM.

Ya never know.

Very Best Wishes,

And Thanks,

Bruce

P.S  Oh, and Carl - simetimes you can hear

stuff inside the house (as you sure you have.)

I'm sure you'll get a receiving antenna outside

when you can.


 
Posted : 12/12/2014 9:09 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Saturday noonish here in the Midwaste of The Homeland, more weather trouble heading this way after rendering heavy disruption on the mid to northern California coast, and since I'm Carl Blare I checked the shortwave band.

9395 kHz, the Global 24 frequency of WRMI from Okeechobee, Florida, noise only.

1750 kHz the digital test frequency from not far away Illinois, as mentioned by Bruce, noise only.

13,560 kHz, Tha Dood's announced test frequency using Part 15 specifications coming from Poca, West Virginia, noise only.

The noise across the shortwave band resembles digital buzz, but it's just background noise. Unless there is digital buzz across the whole band.


 
Posted : 13/12/2014 11:14 am
 Anonymous
(@Anonymous)
Posts: 0
 

Carl, one thing I do indoors with receivers is

check WWV and CHU, and a few other cool

odds and ends.

It is fun to see how propagation changes from

day to day, week to week, etc.  When WWV comes

in on 2500 kHz here in CT,  I think that's really cool.

Here's a question - somebody said WWV was back

on 25 MHz?  That's got to be a mistake. 

It's funny what you take for granted.  At the peak

of a past sunspot cycle - I listened to the VOA for

hours and hours everyday on 26.020 and 26.040.

40 over S9 indoors.

Those days will never come again, as we know.

And up near the MUF, wherever it might be, 

you don't have to have a radio outside. 

I like to just see where the MUF is, because

I'm a propagation guy. 

One station you might want to try for Carl,

is CFRX on 6070 kHz.  I believe it's the last

49 meter band Canadian station that is relaying

an AM BCB station - CFCF (??????) on 1010.

You know what, I'll have to check both of those.

But I do know that there is a Canadian 6070 BC station

on that can be heard during the day.  Where is it(????)

I've gotten to the point where I can almost understand

SSB without a BFO, or atleast enough of it to be satisfied

with what I'm hearing.

Let me think about what you can monitor indoors, Carl.

By the way, I know you know where WWV is on the

dial.  CHU is on 3330, 7850, and 14670 kHz.  Because

of my distance from that station, I only hear the 14670 kHz

transmitter a couple times every 10 or 11 years.  The skip is

wrong to hear it all the time here.

You can use the local oscillator of one radio to be the

BFO of another radio.  It's not that easy, but I think

it's fun.

I used to listen to the 4 MHz maritime CW band when

I was about 16.  It put me to sleep at night.  The BFO

(for the portable SW radio I used to listen) was a Radio

Shack FlavorRadio.  Remember those? 

It was the second harmonic of the LO

when the radio was on the high end of the AM BCB. 

For SSB it was too unstable but for CW you could

usually get it in good enough.  Higher harmonics

were unusable.  But a SW radio can be a BFO for

another SW radio.

Let me see if I can think of anything else.

By the way, for my entire lifetime, there has

been a RTTY station around 4 MHz at night.

As long as I can remember.  I wonder what it

is?  Does anybody know?

I'm still going to listen to 1750 kHz tonight,

regardless of what or whatnot is there.

Best Wishes,

Bruce

 


 
Posted : 13/12/2014 12:40 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Bruce at 4:03 PM CST nothing at 6070 kHz.

25,000 kHz nothing.

WWV is coming in on 15,000 kHz.

If you whistle and talk at the same time it sounds like SSB with BFO set wrong. In fact, it may be impossible to do, but I'll try it on mic.


 
Posted : 13/12/2014 2:05 pm
 Anonymous
(@Anonymous)
Posts: 0
 

Well. that's cool.

I had a friend who could imitate

amplitude moulation with parasitic

oscillations by talking and blowing

out stored air in his cheeks. 

Hilarious.

For you sax players, that might

be something like circular breathing,

but I'm not sure.

I've got 1750 kHz on now with the

Kaito KA-1103 hooked up to an

outside wire.  If I can't hear it, I'll

bring out the Sony 2010.

In about 20 minutes, it will be 0000Z.

Maybe something will happen, maybe

it won't.

Bruce


 
Posted : 13/12/2014 3:39 pm
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