[ale] wireless PCMCIA

[zeb]

Jim Lynch wrote:
> Shouldn't write such things that early in the morning. 1 wavelength at 2
> Mhz is nearly 500 feet.  rhombics work best at mulitples of wavelengths.
> 
> Perhaps you meant 2-5 Ghz?  8)
> 
> Jim.
> 
> zeb wrote:
> 
> 
>>When it comes to wireless, there is a cute little antenna called a
>>"rhombic".  It is simple to make.  Two sticks and some wire.  It has a
>>gain of about 18 dbi  Don't know the gain of a cantenna.  The rhombic is
>>the best antenna going.  The only problem is that it has to be over one
>>wavelength long.  At 40 M (7MHZ) that gets to be very big.  At 2-5 MHz,
>>the size should be practical.  Google "rhombic antenna" for more
>>information.
>>
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Sorry.  Fingers faster than brain.  Did mean 2-5 GHz.  If my arithmetic 
is correct, a side should be 6 cm at 5 GHz and 15 cm at 2 GHz.  Please 
check the arithmetic.  Math is fine; aristhmetic is terrible.


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