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7MHz transmitter for ham radio?

I'm fairly new to ham radio but I saw this and thought maybe I could use a 7MHz oscillator and a large antenna to use as a ham radio transmitter. Is this possible? If not, what could I do/use on the cheap as a ham radio transmitter/transceiver?
Thanks,
fusorx

iceng5 years ago
The antenna cannot be any old length, each frequency transmitted must
have an antenna or waveguide that is a wavelength long or a half or a
quarter wavelength long for optimum transmission power.

A
rickharris5 years ago
Your power output is going to be VERY small - How for do you want this to go?

Have a look at one of the many ham radio circuits published on the web and you will see they are a lot more complicated - There is a reason why.