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Old 04-12-2017, 11:05 PM
zz0468 zz0468 is offline
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Join Date: Feb 2007
Location: 14.020 MHz @ 30 wpm
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Quote:
Originally Posted by Coyote-Frostbyte View Post
This 2200 little experiment will provide me with plenty of entertainment...
That looks like a fun little toy. I may have to get me one. I've been chasing LF and MF beacons for many years. Becoming the DX to be chased is a blast.


Quote:
Originally Posted by Coyote-Frostbyte View Post
The bigger task I see, however, is going to be the ground matrix beneath it...

... My feeble ground system will be a mockery of NSS’s, I’m afraid
Check back issues of QEX magazine from the last 7-8 years. There was a pretty good article with some empirical data on radial ground systems that might be of some use. It did some comparisons of things like many short radials vs. fewer long ones, and so on. Might give you some ideas.

Quote:
Originally Posted by Coyote-Frostbyte View Post
But sparking is not something I take lightly. The Q of this array will be so high, and thus the bandwidth so narrow, that +1Khz deviation will likely cause it to arc… hence I plan on a slow speed digital data mode.
Do what the LF beacon transmitters do... Key the antenna matching network along with the transmitter.

Quote:
Originally Posted by Coyote-Frostbyte View Post
It should prove an interesting summer, however ………
…………………..CF
Let us know when it's on the air. I have some pretty mean RX capability below 500 KHz.
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