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LRN.FM - The Liberty Radio Network => Free Radio Forum => Topic started by: kalmia on May 16, 2008, 01:54:09 AM

Title: Pirate Radio
Post by: kalmia on May 16, 2008, 01:54:09 AM
I would like to broadcast FTL in my area along with other shows.  I would like to have software set up to transfer from feed to feed at specific times.  I would probably have mp3s qued up to fill the dead air time.  I, of course, would also need a transmitter.

Do any of you have any suggestions on doing something like this?  What would be a good transmitter to get?  What about avoiding the Feds?  I have heard that crossing state lines with a broadcast is more serious.  Is this so?  I am less than a mile from the Illinois state line in NW Indiana.
Title: Re: Pirate Radio
Post by: FTL_Ian on May 16, 2008, 10:55:00 AM
http://www.transmittersrus.com/fmtransmitters.htm
http://rtidigital.com/shop2/product_info.php?products_id=41&osCsid=0e1918673b599f17c2d0f50d09e817c6
Title: Re: Pirate Radio
Post by: FTL_Ian on May 16, 2008, 01:06:03 PM
Alex, please stay on topic.  (I split off his post.)

Radio still has a tremendous market penetration and listening audience.  This thread shouldn't be about anything but pirate radio.
Title: Re: Pirate Radio
Post by: FTL_Ian on May 16, 2008, 01:08:26 PM
Don't forget the antenna. 

Both those sites have antennas, and that is the most important part!
Title: Re: Pirate Radio
Post by: JWI on May 16, 2008, 01:25:44 PM
Do either of these suppliers check to make sure you're licensed before selling to you?  I've tried to get some HAM radio equipment but without a license it has been difficult to do so from stores.

Also check out local HAMFests.  Often times you can find low power AM/FM transmitters and TV transmitters for a pretty good price.
Title: Re: Pirate Radio
Post by: Taors on May 16, 2008, 01:52:34 PM
Since when have posts had to stay on topic?

Oh, right, just now.
Title: Re: Pirate Radio
Post by: FTL_Ian on May 16, 2008, 02:51:49 PM
Do either of these suppliers check to make sure you're licensed before selling to you?  I've tried to get some HAM radio equipment but without a license it has been difficult to do so from stores.

Also check out local HAMFests.  Often times you can find low power AM/FM transmitters and TV transmitters for a pretty good price.

Doubtful, though you should ask them.
Title: Re: Pirate Radio
Post by: FTL_Ian on May 16, 2008, 04:26:43 PM
Depends.   The antenna need not be large, but height is an important factor.  You shouldn't do pirate if you're skeered of the FCC.
Title: Re: Pirate Radio
Post by: kalmia on May 16, 2008, 07:06:38 PM
30 feet wouldn't be very difficult after putting it on a house.  Also, it could be a line up a tree, right?

I'm mainly thinking about what will get the FCC to just leave me alone.  I have heard and read that they won't bother a person unless there is a complaint.  Isn't it likely that they would just shut it down at most?

I know there are stations that have existed like this for a long time.  Do any of you know who Scott Horton in Austin Texas is?  I think that is what he does.  I would like to put his show on too.  You can see his site at http://www.thestressblog.com  His is pretty much an interview show.  He has had a lot of people from LewRockwell.com, Antiwar.com, Mises.org on his show.

I remember a caller on FTL talking about doing this once. 
Title: Re: Pirate Radio
Post by: akaPoorRichard on May 17, 2008, 07:10:58 PM
Here's a wired.com wiki on setting up a pirate radio station.
http://howto.wired.com/wiki/Set_Up_a_Pirate_Radio_Station (http://howto.wired.com/wiki/Set_Up_a_Pirate_Radio_Station)
Title: Re: Pirate Radio
Post by: kalmia on May 19, 2008, 06:02:58 PM
Here's a wired.com wiki on setting up a pirate radio station.
http://howto.wired.com/wiki/Set_Up_a_Pirate_Radio_Station (http://howto.wired.com/wiki/Set_Up_a_Pirate_Radio_Station)

Thanks for this.

Anybody that has success doing this, let us know here.  We can share tips.  I'm sure many of us would like to broadcast a lot of the same programming.


Some of the stuff I have been thinking of broadcasting:




* Michael Badnarik
(
http://mp3.wtprn.com/Badnarik08.html (http://mp3.wtprn.com/Badnarik08.html))
Monday - Friday 7:00 am - 9:00 am CT


* Scott Horton
(http://thestressblog.com)
Monday - Friday 11:00 am-1:00 pm CT


* Marc Stevens
(http://mp3.wtprn.com/Marc08.htm)
Saturdays 4:00 pm - 6:00 pm CT


* Free Talk Live
(http://freetalklive.com)
Monday - Saturday 6:00 pm - 9:00 pm CT

Other suggestions?  I know of some, but I would like to listen to more of their programs.

BTW, there is a station that broadcasts FTL in Michigan City, Indiana, but it is too far east for me to pick up here.  I can faintly hear it in Gary though.

And I have heard that it is more of an offense to broadcast commercials on an unlicensed station.  I can't sit and edit commercials.  This won't be a money maker.  I would have to just let it go.  Do any of you know anything about this?
Title: Re: Pirate Radio
Post by: BonerJoe on May 19, 2008, 08:11:15 PM
That shit is illegal, yo. Fine yo' ass $11k to start with and take your right to bear arms away fo' lyfe. Fuk dat noize.
Title: Re: Pirate Radio
Post by: kalmia on November 25, 2008, 01:48:58 AM
I have purchased a 20W FM transmitter that I received Monday (24 November).

I tried it out with the antennae sitting inside the house, and I was able to get a little over a 2 mile radius with clear reception.  I plan to put it on a pole outside on the house.  I hope I can get 5 miles.


I was trying to find an easy way to calculate population within a specified radius, but didn't see anything.  But I did find the site of a developer who has been planning a nearby retail project that has the following figures:


2007 Estimated Population
1 mile radius: 7,087
3 mile radius: 109,688
5mile radius: 242,441

I will be about 3 miles from the above mention point.  I would guess that the density surrounding me isn't too much different.

I'll probably be running recorded material until I can automate the station.  I can't baby sit it 24 hours a day, every day.


Quoted from the owners manual:


HLLY-20W IS FM A STEREO TRANSMITTER which apply PLL technology,so itís
transmission is very stable.
HLLY-20W main board adopt the PLL FM Transmitter IC of ROHM (BH1415F),
BH1415F build in PLL、Audio aggravation and Low Pass filter, The control board is made of
AT89C205 and AT24C02, the HF amplifier is made of 2 2SC3355、1 2SC2053 and 1
2SC1972,add up to 4 grade circuit。The board adopt HF two layer PCB design,and the shell
is made of wonderful aluminum,the whole little machine is very beautiful and easy to use!
Title: Re: Pirate Radio
Post by: kalmia on December 07, 2008, 04:47:32 AM
I have been playing your podcasts along with other shows for a little bit now.  I don't do them live, so maybe you don't want to put me on your affiliate list yet.  I plan to automate things to run live at some point.  The antenna that I have been using is about 30 feet from the ground to the top. That is about 620 feet above sea level.  Unfortunately there are places within a few miles where the ground is near or above 620 feet above sea level.  The coverage area seems to be spotty and and irregular.  I will likely need to get a longer pole to mount the antenna on.  I would like a clear signal that covers a 5 mile radius.   I'm thinking of adding another 20 feet or so in height.   Is this reasonable? I have had reports of being able to hear it loud and clear over 5 miles already in some locations.
Title: Re: Pirate Radio
Post by: FTL_Ian on December 08, 2008, 12:33:37 PM
Will it piss off your neighbors?  If not, it's probably reasonable.
Title: Re: Pirate Radio
Post by: Taors on December 08, 2008, 03:54:23 PM
Will it piss off your neighbors?  If not, it's probably reasonable.

Like the couch, right?
Title: Re: Pirate Radio
Post by: kalmia on December 08, 2008, 06:49:24 PM
Will it piss off your neighbors?  If not, it's probably reasonable.

Piss them off by the sight of it?  I seriously doubt this.  I meant is it reasonable to think that I can get a clear 5 mile radius with another 20 feet.

I was planning to couple together 3 - 10 foot 1-1/4" steel conduit pipes as an antenna.  It should have guy wires if this tall.  It will be on a roof that is about 20 feet or so above the ground.

I'll send you an email too Ian.
Title: Re: Pirate Radio
Post by: KDus on December 22, 2008, 03:08:04 PM
The steel pipes may cause problems with your ground plane depending on what kind of antenna you use.
I've used a rotator/ beam on top of pipes, but a 1/4 wave dipole and 1/4 wave ground plane had to be on a wood pole.
Title: Re: Pirate Radio
Post by: kalmia on December 24, 2008, 08:53:48 AM
The steel pipes may cause problems with your ground plane depending on what kind of antenna you use.
I've used a rotator/ beam on top of pipes, but a 1/4 wave dipole and 1/4 wave ground plane had to be on a wood pole.

Should I use wood, fiberglass or plastic for the upper portion?  I currently just have it cable tied to a PVC vent pipe.


This is the cheepy that came with it.  I am looking at upgrading to something more durable.I'm sure this weather is giving it a beating.  But I haven't been back on the roof in a bit since it has been so icy. 

(http://i4.ebayimg.com/01/i/001/22/e5/34c7_1.JPG)

(http://www.allyelectronics.com/pic/image/antenna/GP_Antenna_A0.jpg)

(http://www.allyelectronics.com/pic/image/antenna/GP_Antenna_A3.jpg)


I've seen some durable ones that look good on eBay, listed at under $100 with shipping.

Here are some:

(http://i14.ebayimg.com/05/i/001/19/36/f550_1.JPG)
http://cgi.ebay.com/FM-Broadcast-Transmitter-Antenna-88-108Mhz-up-to-300w_W0QQitemZ180308905485QQihZ008QQcategoryZ296QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

==============


(http://i20.ebayimg.com/02/i/000/fb/dd/0e7b_1.JPG)
http://cgi.ebay.com/FM-Stereo-Broadcast-Antenna-1-4-wave-Tunable-300-Watt_W0QQitemZ280266606960QQihZ018QQcategoryZ4675QQssPageNameZWD1VQQrdZ1QQcmdZViewItemQQ_trksidZp1638Q2em118Q2el1247

==============


(http://www.hllye.cn/pic/image/antenna/GP_Antenna_P0.jpg)
(http://www.hllye.cn/pic/image/antenna/GP_Antenna_P1.JPG)
(http://www.hllye.cn/pic/image/antenna/GP_Antenna_P4.JPG)
http://www.hllye.cn/html/fm_transmitter_1_46.html?currency=USD&products_id=46





Do any of you have any thoughts on choosing 1/4 wave over 1/2 wave or 5/8 wave?
Title: Re: Pirate Radio
Post by: kalmia on December 24, 2008, 08:55:13 AM
NOTE to Ian:

Direct your callers that discuss doing this to this thread, unless you know of a better thread.
Title: Re: Pirate Radio
Post by: KDus on January 01, 2009, 04:26:20 PM
5/8 wave has the most inherent gain, and is close enough to 50 ohms. Look at the terrain. If you want most of your signal to go straight out in all directions, go with 5/8. The trade off is size. A 1/4 dipole will fit in a tree or behind a chimney.
Title: Re: Pirate Radio
Post by: RFBurns on September 04, 2010, 10:35:47 PM
The 5/8 wave antenna is your best option, especially if your tx power is below 5w.

Now if you really want to throw a big flame...then assemble a multi-bay antenna system comprised of 3 or more folded dipole elements, spaced 1/4 wave apart, and 1/4 wave from the tower. To properly phase the arrays, use 1/2 wave length chunks of coax for each bay using T fittings. To have beam tilt to drop the outer edge of the signal back down to the horizon, decrease the lengths of the coax feeds from the T fittings by about an inch or two compared to the very top array. The shorter the lower feed coaxes, the more beam tilt you will get. Usually this is not necessary, but in some terrains there may be hills between the antenna and a section of the town, which your signal will just fly right over that sunken portion of area on the other side of the hill. Beam tilt will compensate and bring the signal back down to the horizon instead of it all just shooting up past the atmosphere and into space.


RFB