About
Community
Bad Ideas
Drugs
Ego
Erotica
Fringe
Society
Technology
register | bbs | search | rss | faq | about
meet up | add to del.icio.us | digg it
Go Back   Community > Technology > Radio Free Amerika
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Radio Free Amerika The ins and outs of the radio frequency spectrum, including scanners, trackers, building your own transmitters, mixers, and antennas, station formats, frequencies, favorite pirate radio stations, the FCC, radio stories, working at radio stations, and more.

Closed Thread
 
Thread Tools Display Modes
 #1 
Old 2007-04-28, 17:40
Lundmark Lundmark is offline
Regular
 
Default Making an FM jammer

Ok, Im sick of the local pop radio station. Like any pop radio station they play a handful of crap music, then mix in some celeb gossip and advertisements for weight loss/debt relief.
I want to build a fairly power FM jammer. Ten watts is probably the ceiling of my needs. In my dreams I would be salvaging parts out of welding machines and CRT monitors.
What are the effects of using a too small antenna?
Can I find a sine wave generating circuit and replace the components with parts rated for higher currents?
Is it possible to use several smaller circuits and get them to generate a sine wave in sequence?
Are car antennas inefficient for broadcasting?
 #2 
Old 2007-05-02, 08:30
OdayJuarez OdayJuarez is offline
Regular
 
Default Re: Making an FM jammer

You want to build a 10 watt transmitter to jam a radio station so you don't have to listen to it? That's funny.

Here's how you save a butt load of money:

Ready for this?

->Listen to a different radio station.
 #3 
Old 2007-05-02, 14:50
PDX PDX is offline
Regular
 
Default Re: Making an FM jammer

+1
put 10 watts into a car ant and enjoy the 3 foot (if that) jam radius you'll get.
better chance of stopping an abrams with a golf cart.

(commercial radio stations use holeyshitloads of power. thats just for starters.)
 #4 
Old 2007-05-03, 04:51
Regular
 
Default Re: Making an FM jammer

Most radio stations broadcast on the megawatt level, sad to say it but 10W of Tx isn't going to cut it.

Out of curiosities sake, does anyone have any plans for a transmitter that generates all sorts of RF interference? sort of like a multi band pain in the ass.
 #5 
Old 2007-05-03, 08:08
OdayJuarez OdayJuarez is offline
Regular
 
Default Re: Making an FM jammer

Spark Gap generator?
 #6 
Old 2007-05-03, 14:56
Super Moderator
 
In a nuclear crater
Default Re: Making an FM jammer

Spark Gap generator?

Or better yet, Tesla coil...
 #7 
Old 2007-05-05, 08:13
Lundmark Lundmark is offline
Regular
 
Default Re: Making an FM jammer

Quote:
Originally Posted by OdayJuarez
You want to build a 10 watt transmitter to jam a radio station so you don't have to listen to it? That's funny.

Here's how you save a butt load of money:

Ready for this?

->Listen to a different radio station.

Its obvious that you are a dumb ass.
 
To the best of our knowledge, the text on this page may be freely reproduced and distributed.
 

totse.com certificate signatures
 
 
About | Community | Bad Ideas | Drugs | Ego | Erotica | Fringe | Society | Technology
Hot Topics