How exactly does an Fm transmitter work?

Yah, it was in Canada where we did it, and I think as long as you were below 2 Watts it was O.K.

Speaking of, I met a fellow in a parking lot south of Sudbury, Ont, once on vacation.  He was a ham with a great, big mobile HF rig.  Had never even heard of synthetic radio!  His trick was that there plenty of room in his world, and that he was a really crafty fellow, who's checks seemed to tend to clear.  All of his RF tanks were really macroscopic, giant L's and C's, handmade brass, tin-plated L's, giant Soviet tuning caps, well encapsulated and thermally insulated.  The basic goal was a war on parasitic resistance, this fellow had high Q.  Actually, his transmit power, stability and cleanliness were as good as anyone's, and his detection capabilities were at least as good as anyone's.

His set-up did require a small trailer for his station-wagon, however.

I once was able to see the antenna array in Sackville, Nova Scotia. I also got to tour the facility, the tubes for broadcasting were huge!

Radio Canada?  What is the intent of the station there?  What frequencies and modulation schemes do they employ?  WGN clear-channel AM is down by the mall, this seems way huger still!  Never saw the internals, told they have a vacuum triode the size of a school bus!  Did get to tour FermiLab, that's one of the biggest tubes of all.

Next time I de-magnetize the Canada Tire money from my 'fridge and go on the road, I'ma goin' to NS, never been.

Yah, RCI (Radio Canada International). It was an international broadcasting/rebroadcasting station. I think I only saw AM when I was there, but I'm not sure of their capabilities. They picked the site because the ground was extremely salty and they could exploit it for transmissions. I believe they have stopped all shortwave comms from the site, and are using Internet now.

Hi!! I am en electronics student can someone help me out to decipher how does this circuit works?? I mean, how does the oscillator part works to come up with the carrier signal (I guess the oscillator is the 2N3904) and what does the other components do? I also guess that the C1 and R1 are some kind of filter but I'm not sure :/

Lookup Colpitts oscillator to understand the oscillator ...

Colpitts oscillator - Wikipedia, the free encyclopedia

Injecting a small audio signal into the transistor base will shift the oscillation frequency proportional to the audio signal amplitude.

Thanks!! I'm into it and can you tell me what is the purpouse of the capacitors and the resistors in the left side of the circuit?

I've read (Wikipedia) that the frequency of the Colpitts Oscillator is determined by the coil and a capacitor between the collector and the emitter and a capacitor from the emitter to ground, but the circuit I found has no emitter-ground capacitor. Instead, it has a second collector capacitor that goes to ground. Does this mean something ?

R1 and R2 form a voltage divider that defines a bias voltage for the transistor base to ensure the transistor is operating in its active region (partly turned on).

C1 prevents any DC component in the audio signal from altering this bias point while allowing the AC component of the audio signal to pass through and be injected into the base.

I think C2 and C3 help stabilize the voltage at the nodes where each is connected and minimize negative feedback.