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Addendum to "Schematics for building a broad band frequency jammer"

M

Me

Jan 1, 1970
0
I'd like to clarify something that I've missed:
I'm ready to pay for your help if needed.
TIA
Nina
[email protected]

I see no reason to try and jam the entire band. Just put together a
simple FM transmitter and as someone earlier suggested, transmit a
squeal or something equally irritating over whatever station they're
listening to. As M->P suggested, that will be far easier to accomplish
technically. If you need schematics for a simple FM transmitter that's
very easy to build, yet very effective I can help you there. I've
built and used several on this design. In fact, there's a drag strip
in GA using a transmitter I built off of this schematic using it to
transmit race stats so people can listen in their cars and with head
sets so they can hear over the loud car exhaust. Also got the board
foil design and component layout making it super simple to build if
you want to go the professional route.
 
R

Roger Johansson

Jan 1, 1970
0
I'd like to clarify something that I've missed:
I'm ready to pay for your help if needed.

You will only get yourself in more trouble by jamming their radio.
They can come over and beat you up if/when they find out who is jamming.
You can go to jail or pay heavy fines when the authorities discover you,
and they often need only a few seconds to pinpoint the source of an
offending radio transmission.

A much better alternative is to increase the sound isolation between you
and the neighbor.

Use some wooden planks to build a frame which covers the wall(s) to keep
the construction steady. Put sound isolating material in the frame, use
heave cloth type of materials, like heavy old type mattrasses (not foam
plastic), different types of mats, wool blankets, etc.

Fiber board is also good, combined with thick layers of heavy textiles on
both sides.
Put heavy mats on your floor if the sound comes from there.
Build an inner ceiling if the sound comes from up above.

After soundproofing your apartment, or parts of it, you can use your own
sound source to create a low volume but masking effect which means you
hear a lot less from your neighbors because you have your own favorite
music running day and night.


Another alternative is to talk to them and tell them to stop disturbing
you. That will work if they are actually trying to make you do that.
There are lots of religious people who are actively trying to make their
neighbors strong minded so they can come to God or something like that.

A problem with that approach is that they will probably only be
encouraged by that and start other manipulations to force you to become
even stronger. So you will end up with your brain filled up by the holy
wrath, or the holy spirit, just like their brains.
 
D

Dr. Anton T. Squeegee

Jan 1, 1970
0
nina.p20 said:
I'd like to clarify something that I've missed:
I'm ready to pay for your help if needed.

I can't speak for others, but no amount of money would convince me
to sell out my own ethics so easily.

I suggest you involve your local police. There are likely noise
ordinances in your area which your noisy neighbor may be in violation
of.


--
Dr. Anton T. Squeegee, Director, Dutch Surrealist Plumbing Institute.
(Known to some as Bruce Lane, ARS KC7GR,
kyrrin (a/t) bluefeathertech[d=o=t]calm -- www.bluefeathertech.com
"If Salvador Dali had owned a computer, would it have been equipped
with surreal ports?"
 
M

Meat-->Plow

Jan 1, 1970
0
I see no reason to try and jam the entire band. Just put together a
simple FM transmitter and as someone earlier suggested, transmit a
squeal or something equally irritating over whatever station they're
listening to. As M->P suggested, that will be far easier to accomplish
technically. If you need schematics for a simple FM transmitter that's
very easy to build, yet very effective I can help you there. I've
built and used several on this design. In fact, there's a drag strip
in GA using a transmitter I built off of this schematic using it to
transmit race stats so people can listen in their cars and with head
sets so they can hear over the loud car exhaust. Also got the board
foil design and component layout making it super simple to build if
you want to go the professional route.

I thought the person already had a transmitter
 
M

Meat-->Plow

Jan 1, 1970
0
Oops... didn't read all the way down, now did I. :)

The person said the PO was 5 watts. That sounds like a home
brew unit. I used to own a 50 watt exciter. It was
responsible for generating the FM frequency, modulating it,
and amplifying it to 50 watts where it was originally
designed to feed a 5000 watt commercial transmitter. It made
a pretty decent little pirate radio station. I built a
J-pole antenna out of some wire and PVC tubing and I got
about a 5 mile radius with full quieting. Called the station
WEED, muhahwahahahah.
 
D

don ward

Jan 1, 1970
0
If you need schematics for a simple FM transmitter that's
very easy to build, yet very effective I can help you there. I've
built and used several on this design. In fact, there's a drag strip
in GA using a transmitter I built off of this schematic using it to
transmit race stats so people can listen in their cars and with head
sets so they can hear over the loud car exhaust. Also got the board
foil design and component layout making it super simple to build if
you want to go the professional route.

How or where do i obtain the schematic and cb layout ??
dnw
[email protected]
 
M

Me

Jan 1, 1970
0
The person said the PO was 5 watts. That sounds like a home
brew unit. I used to own a 50 watt exciter. It was
responsible for generating the FM frequency, modulating it,
and amplifying it to 50 watts where it was originally
designed to feed a 5000 watt commercial transmitter. It made
a pretty decent little pirate radio station. I built a
J-pole antenna out of some wire and PVC tubing and I got
about a 5 mile radius with full quieting. Called the station
WEED, muhahwahahahah.

Hehehe. The little unit I was describing is good for about a mile
radius with a properly tuned vertical dipole. I've used one in a
convoy so everyone in the group could listen to the same jams on the
trip.
 
M

Me

Jan 1, 1970
0
very easy to build, yet very effective I can help you there. I've
built and used several on this design. In fact, there's a drag strip
in GA using a transmitter I built off of this schematic using it to
transmit race stats so people can listen in their cars and with head
sets so they can hear over the loud car exhaust. Also got the board
foil design and component layout making it super simple to build if
you want to go the professional route.

How or where do i obtain the schematic and cb layout ??
dnw
[email protected]


Let me run to my office (where it happens to be), grab it and scan it
then I'll stick it on one of my web servers and post a URL.
 
M

Meat-->Plow

Jan 1, 1970
0
Let me run to my office (where it happens to be), grab it and scan it
then I'll stick it on one of my web servers and post a URL.


What's the power input to the final and what final amp ?
 
M

Me

Jan 1, 1970
0
What's the power input to the final and what final amp ?

9 vdc keeps it legal, but it'll take considerably more.
As far as the final... ugh... IIRC the final was a 2N3096, but I'm not
sure now. It's been quite a few years since I did anything with that
print. Will post when I've got it up.
 
M

Meat-->Plow

Jan 1, 1970
0
9 vdc keeps it legal, but it'll take considerably more.
As far as the final... ugh... IIRC the final was a 2N3096, but I'm not
sure now. It's been quite a few years since I did anything with that
print. Will post when I've got it up.

Hmm that 2N3096 is just a little what, 500 mw max ?

IIRC what I had had a single stud mounted MRF 315. 4 watts
input, 40 something out on a 28 volt Vcc.
 
M

Me

Jan 1, 1970
0
Hmm that 2N3096 is just a little what, 500 mw max ?

IIRC what I had had a single stud mounted MRF 315. 4 watts
input, 40 something out on a 28 volt Vcc.

Don't recall now. Was thinking the 2N3906 would handle 1.5 W, but my
books are at the office... and that may not have been the final
anyway. I just don't remember. I do recall that heat dissipation, not
max VCEO was the limiting factor on the power output and hence input
voltage. Will post when I have it.

The nice thing about this little gadget is that it can be built on a
board the same size as the 9v battery driving it making for a very
compact unit and it'll still make a mile with a decent antenna.
Actually, I've got plans for much smaller transmitters designed for
use as "bugs" that aren't much larger than the 2032 button cells that
drive them although the range is considerably less. I've never
bothered to assemble one though. This sort of thing would be just an
experimental toy to me as I have no real use for such.
 
M

Meat-->Plow

Jan 1, 1970
0
Don't recall now. Was thinking the 2N3906 would handle 1.5 W, but my
books are at the office... and that may not have been the final
anyway. I just don't remember. I do recall that heat dissipation, not
max VCEO was the limiting factor on the power output and hence input
voltage. Will post when I have it.

The nice thing about this little gadget is that it can be built on a
board the same size as the 9v battery driving it making for a very
compact unit and it'll still make a mile with a decent antenna.
Actually, I've got plans for much smaller transmitters designed for
use as "bugs" that aren't much larger than the 2032 button cells that
drive them although the range is considerably less. I've never
bothered to assemble one though. This sort of thing would be just an
experimental toy to me as I have no real use for such.

I've seen those things in -kit- form. Some with stereo
output. 9 volts keeps the power under the legal limit but
crank it up to 15 and it doubles. I set up one for a guy who
had a drive-in restaurant. He had a 50's theme and wanted to
broadcast 50's music for the drive in customers. Worked
pretty decent once I found a spot that had no other local
stations.
 
M

Me

Jan 1, 1970
0
I've seen those things in -kit- form. Some with stereo
output. 9 volts keeps the power under the legal limit but
crank it up to 15 and it doubles. I set up one for a guy who
had a drive-in restaurant. He had a 50's theme and wanted to
broadcast 50's music for the drive in customers. Worked
pretty decent once I found a spot that had no other local
stations.

Ya, exactly the same thing I did for the drag strip. This wasn't a kit
though. I don't recall who did the circuit design or where I got it
from but it was just a schematic and description. I did the board foil
design for it on a computer several years ago and built a few.
 
M

Meat-->Plow

Jan 1, 1970
0
Ya, exactly the same thing I did for the drag strip. This wasn't a kit
though. I don't recall who did the circuit design or where I got it
from but it was just a schematic and description. I did the board foil
design for it on a computer several years ago and built a few.

Last board I did was a little deal that sensed which of two
assembly lines were down and then paged the right group of
Millwrights to come fix it. It was just something to sense
motion or the lack of it, then drive a two channel paging
radio and some Motorola Page Boy pagers. Oh and I
re-crystaled the pagers to match the channels on the radio.
As far as I know that system is still being used today. I
deployed it over 10 years ago.

Before that I built a DTMF generator box to phreak phones
with. Copied it from a real working Black Box. Ripped off
everything I needed from Radio Shack. Board, etch pen, acid,
741 op amps, everything even the case and touch tone pad.
I ended up destroying it when my Greek buddy got popped by
the FBI. While he had the original black box, he taped his
girlfriend's back in Greece phone number on a reel to reel
tape recorder. Then to call her, he would just hold the
phone up to the speaker. Couldn't use a little portable
recorder, too much wow and flutter to reproduce a steady
enough pair of tones. The FBI never knew about what I had
built, just the tape.
 
M

Mark Zenier

Jan 1, 1970
0
I've seen those things in -kit- form. Some with stereo
output. 9 volts keeps the power under the legal limit but
crank it up to 15 and it doubles. I set up one for a guy who
had a drive-in restaurant. He had a 50's theme and wanted to
broadcast 50's music for the drive in customers. Worked
pretty decent once I found a spot that had no other local
stations.

Legal on the FM band is about 30 nanowatts.

47 CFR 15.239 "shall not exceed 250 microvolts/meter at 3 meters".

Mark Zenier [email protected] Washington State resident
 
S

Steve Leyland

Jan 1, 1970
0
: On Sat, 18 Sep 2004 12:31:40 -0400, Me
:
:: On Sat, 18 Sep 2004 12:07:02 -0400, "Meat-->Plow"
::
::: On Sat, 18 Sep 2004 10:57:11 -0400, Me
:::
:::: On 18 Sep 2004 07:41:24 -0700, [email protected] (Nina) wrote:
::::
::::: I'd like to clarify something that I've missed:
::::: I'm ready to pay for your help if needed.
::::: TIA
::::: Nina
::::: [email protected]
::::
:::: I see no reason to try and jam the entire band. Just put together a
:::: simple FM transmitter and as someone earlier suggested, transmit a
:::: squeal or something equally irritating over whatever station
:::: they're listening to. As M->P suggested, that will be far easier
:::: to accomplish technically. If you need schematics for a simple FM
:::: transmitter that's very easy to build, yet very effective I can
:::: help you there. I've built and used several on this design. In
:::: fact, there's a drag strip in GA using a transmitter I built off
:::: of this schematic using it to transmit race stats so people can
:::: listen in their cars and with head sets so they can hear over the
:::: loud car exhaust. Also got the board foil design and component
:::: layout making it super simple to build if you want to go the
:::: professional route.
:::
::: I thought the person already had a transmitter
::
:: Oops... didn't read all the way down, now did I. :)
:
: The person said the PO was 5 watts. That sounds like a home
: brew unit. I used to own a 50 watt exciter. It was
: responsible for generating the FM frequency, modulating it,
: and amplifying it to 50 watts where it was originally
: designed to feed a 5000 watt commercial transmitter. It made
: a pretty decent little pirate radio station. I built a
: J-pole antenna out of some wire and PVC tubing and I got
: about a 5 mile radius with full quieting. Called the station
: WEED, muhahwahahahah.

woah, now there's a coinkidence!
http://www.weedfm.tk
is a 70 watt pirate here I'm allegedly helping out with...

--
Steve Leyland
mhm32x16 Smeeter#24 WSD#41
flower: three 6 four 9 five 8 eight 9
Alcatroll Labs Inc (bongwater maintenance dept)
http://www.insurgent.org/~alcatroll/
http://www.weedfm.tk

=^MEOW MEOW ARMY^=

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======================================================================
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And saw what I never had seen;
A Chapel was built in the midst,
Where I used to play on the green.

And the gates of this Chapel were shut
And "Thou shalt not," writ over the door;
So I turned to the Garden of Love
That so many sweet flowers bore.

And I saw it was filled with graves,
And tombstones where flowers should be;
And priests in black gowns were walking their rounds,
And binding with briars my joys and desires."

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