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Free Radio Cafe: Pirate Radio On Shortwave & FM • 11m BX Band
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11m BX Band

Posted: Sat Oct 06, 2012 10:30 pm
by VUDU
I have been thinking:
The Sun spots are picking up
The 11M band is getting a good amount of DX
The 11M Shortwave Broadcast band is a wasteland....

Has anyone considered playing around up there?

Export CB's will reach down there, unmodified
RF Power is Easy to be had (thanks to all the lip-cutting cb'ers)
Antennas are quite compact...

Re: 11m BX Band

Posted: Sat Nov 16, 2013 6:03 am
by Vacuum Splitter
Break, break, break,

break, break, break.


This is Harelip One,

Harelip One,

do you read me,

over??

Re: 11m BX Band

Posted: Wed Feb 26, 2014 3:59 am
by VUDU
And Your Point Is?

You must not be aware of the II Meter Broadcast Band, below the 11 Meter CB Band...

Re: 11m BX Band

Posted: Tue Apr 29, 2014 4:40 pm
by VUDU
The 11 meter band is wide open, and currently, propagation isn't bad, and one could get world wide very easy.

As far as "bang for the buck", I believe that 11 meters offers some of the best:
Inexpensive Transmitters (High Level AM Modulation, not "Downward Modulation" found on current Amateur Transmitters)
Inexpensive Amplifiers (Class C (Cheap AM amps), Class AB (Better SSB Amplifiers)
Short Antennas available from Radio Shack, or stupid easy to build,easy to conceal, and easy to vertically polarize for a better take-off angle for distance...

One would just need to gain listeners.

Of course, the naysayers will scream "Lost CB'er!" (See retarded post above), but there IS a broadcast band there around 26 Mhz.... and it is very underused...


I am currently setting up a SuperStar 3900 to run AM mode with a Palomar 225 (Class AB) amplifier. That should get a nice 150-200 Watt Modulated AM signal out. and an audio bandwidth of 70Hz to 9-10kHz easy

And a 1/4 Wave Ground Plane Antenna for 26MHz is a simple 9' vertical with 108" ground radials... $25 at Radio Shack for a 102" stainless whip, a short 3/8-24 threaded adapter about 6"-7" long, 4 wire radials and a simple 90 degree metal mount to anything upright...

Re: 11m BX Band

Posted: Wed Jun 24, 2015 10:08 pm
by VUDU
Well, I have not left my idea for dead, but my plan has changed a tad...

The Superstar I had slated for this project has developed a few issues... no problem...

I picked up a Stryker SR-655HPC. it covers the required freqs easy, and is pretty set up for some decent audio, using 0.1uf bypass caps through out the audio chain.... and did I mention it will do a modulated 70 watts stock?

should do pretty well....

Re: 11m BX Band

Posted: Mon Jun 19, 2017 4:19 am
by Jbird22
Hi, it seems okay but I want to make such activity in Australian cafe, possible here?

Re: 11m BX Band

Posted: Fri Jun 23, 2017 5:17 pm
by JohnPoet
Jbird22 wrote:
Mon Jun 19, 2017 4:19 am
Hi, it seems okay but I want to make such activity in Australian cafe, possible here?
Go ahead and post 11-meter activity in the Australian forum if that's where it is. That's fine by me.
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