On 04/06/98 / 22:58:31, Brendan Keyport was babbling to Ivy Iverson
about: 49Mhz to 6m...
II>  Actually, there are technical reasons.  At 144-148 MHz, it is fairly 
asy
II> to build tuned circuits which will prevent the transmitter's signal from
II> getting into the receiver and causing it to lose sensitivity.  This is
II> called "Desensing."  These tuned circuits are called "Cavities."  They 
re
II> not coil-and-capacitor tuned circuits, they are hollow cylanders, usually
II> silver plated on the inside so that they have a minimum loss. They allow
II> the system to use two antennas very close together, or even use the same
II> antenna for transmitting and receiving at the same time without 
interaction
II> between the transmitter and receiver..
ahhh... I've always wondered what those dohickies are.... :)
makes sense.. thanks for the info...
KB9QPM de N7UIE
PoohBear Wuz Here, B Keyport, N7UIE
--- MacKennel 2.6
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