So what are all the different ways to do carrier current? A revised or condensed list would be plenty. Meanwhile i will be reading the files in the library on CC. Thanks
The real "go to" man for carrier current on this website is RFBurns, who not only has said plenty about it already on this website, but he did 3 guest appearances on The Low Power Hour talking about nothing but carrier current.
http://www.kdxradio.com/lph.html
You can download and listen to the mp3 files.
Also you'll see some amazing pictures of RFBurn's own carrier current equipment.
I have this 1 foot piece (give or take) of electrical wiring sticking out of the wall under counter in the kitchen that was probably part of a dish washer electrical connection.
It has been cut off so there are no bare wires poking out and just for safety sake i covered the end of it with electrical tape. But just out of curiosity i did check to see if it was truly dead, sure enough it is. There is no juice going to that wire.
My imagination got the best of me, what if i could tap into that wire? or somehow wrap enough wire around it to create a inductance field for injecting RF over the power lines?
"what if i could tap into that wire? or somehow wrap enough wire around it to create a inductance field for injecting RF over the power lines?"
I would find the other end of that wire, and connect all 3 to the neutral buss. Then wrap some wire around the other end and connect a good earth ground up to the TX.
That should put some signal onto the neutral buss throughout the park.
For maximum coupling effect, use a 10 foot piece of wire and wrap it so that it covers at least 5 or more feet of the unused power wire. The more wraps around the wire and the longer the wrapped wire is around the unused power line the better.
RFB
carrier current should work great in apartment complexes and trailer parks
CC works very well in apartments and mobile home parks. It's finding that isolated ground that tends to be the stopper, but not impossible.
RFB
Last year our cable was giving us a lot of trouble, besides nickle and dimeing us to death.
After replacing our cable tv box, two modems the techs were finally sent out to do some real work and replaced all the lines coming into the house.
The meter base and cable are next to each other at least 3 feet apart at the far corner of my house. The two meters (one is the neighbors one is mine) for electricity are supported by thick conduit while the cable and phone come out of the ground about 3 or 4 feet on aluminum conduit, it almost looks like a fence post for chain link fencing. The cable is grounded to that conduit while the cable runs into the house via a plug in the wall and another from under the house. That extra cable outlet is not being used but would make a great ground or at the very least a decent ground.
I would never place a transmitter outside on that pipe coming out of the ground because there are no windows on that end of the house and I am worried about theft. Some 20 feet from my house there is a ground mounted transformer. Most all of the houses in this park get their utilities from underground.
For awhile I have been torn between two different plans to rebuild the Ramsey AM25.....
Plan A is a total rebuild based on Radio8Zs well researched modifications which make the AM25 a serious part 15 transmitter;
Plan B is using the frequency synthesizing as the oscillator/buffer with a newly designed power amplifier up to perhaps 15-Watts, variable, as a serious carrier current transmitter.
Now I know what to do. BOTH!
The Ramsey AM25B is destined to be become a dual-purpose transmitter.
Well if it were me I would not follow that modification to crank up the AM 25B to a 15 watt unit by butchering it up like that one fella did.
I would simply construct a linear amplifier driven by the current stock AM25B, or with the modifications done by Radio8Z for improved efficiency and better envelope modulation.
To me it makes no sense to butcher up a good design that could use a few improvements, but not a total hacking to achieve a higher power level when a simple linear amp is all that is needed.
RFB