Aligned our STL this morning. Opinions?

Gotta watch those Fresnel zones!
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abwdvm
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Aligned our STL this morning. Opinions?

Post by abwdvm » Mon Nov 13, 2017 1:18 pm

Aligned our STL this morning. Opinions?

Looks like the SIGNAL LED is not lighted.
STL.jpg
technician at an 1000w AM station in Texas

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Deep Thought
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Re: Aligned our STL this morning. Opinions?

Post by Deep Thought » Mon Nov 13, 2017 5:30 pm

26 dBu (19 uV) is pretty miserable. You've got something horribly wrong unless this is a 20 mile hop, and even then the received signal levels should be at least an order of magnitude better.
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KPJL FM
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Re: Aligned our STL this morning. Opinions?

Post by KPJL FM » Tue Nov 14, 2017 8:18 am

Looks like it's less than a 20 inch hop! :lol:
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Re: Aligned our STL this morning. Opinions?

Post by kkiddkkidd » Tue Nov 14, 2017 10:02 am

KPJL FM wrote:
Tue Nov 14, 2017 8:18 am
Looks like it's less than a 20 inch hop! :lol:
Now that's funny right there...
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Re: Aligned our STL this morning. Opinions?

Post by abwdvm » Tue Nov 14, 2017 10:24 am

10 mile hop
technician at an 1000w AM station in Texas

grich
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Re: Aligned our STL this morning. Opinions?

Post by grich » Wed Nov 15, 2017 12:12 pm

kkiddkkidd wrote:
Tue Nov 14, 2017 10:02 am
KPJL FM wrote:
Tue Nov 14, 2017 8:18 am
Looks like it's less than a 20 inch hop! :lol:
Now that's funny right there...
I had to jump back to the picture in the previous post a couple times before I realized the picture above is a split-screen of both ends of the system. :)

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Re: Aligned our STL this morning. Opinions?

Post by grich » Wed Nov 15, 2017 12:18 pm

abwdvm wrote:
Tue Nov 14, 2017 10:24 am
10 mile hop
I assume you had both dishes peaked for maximum signal.

26dBu is better than 10, but you should have better performance on a 10-mile hop. When the dish at the new studio was installed, is there a chance it was installed in the wrong polarity? Also make sure you're not peaked on a side lobe or reflection.

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Re: Aligned our STL this morning. Opinions?

Post by awsherrill » Wed Nov 15, 2017 12:48 pm

I had to jump back to the picture in the previous post a couple times before I realized the picture above is a split-screen of both ends of the system. :)
I must be missing something...the Nicom unit at the top of the picture appears to be an FM broadcast transmitter or exciter, not a 950 MHz STL transmitter.

A picture of the actual STL transmitter in operation might be instructive.

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Re: Aligned our STL this morning. Opinions?

Post by kkiddkkidd » Thu Nov 16, 2017 12:26 pm

grich wrote:
Wed Nov 15, 2017 12:12 pm
kkiddkkidd wrote:
Tue Nov 14, 2017 10:02 am
KPJL FM wrote:
Tue Nov 14, 2017 8:18 am
Looks like it's less than a 20 inch hop! :lol:
Now that's funny right there...
I had to jump back to the picture in the previous post a couple times before I realized the picture above is a split-screen of both ends of the system. :)
I was snickering initially at what appeared to be a RSL and TSL900 sitting in the same rack but after a closer look, it appears that the picture is of the RSL900 RX and a NT30 exciter.
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