Signal on odd transponders on 121 getting lower

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geobernd

SatelliteGuys Family
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Nov 5, 2004
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I am seeing a strange phenomenon:
The signals on the odd transponders on 121 are slowly 'shrinking' while the evens stay the same... I am not experiencing signal loss yet - but I wonder what is up...
I am receiving 121 through the second port of a SW21 (a Dish 500 connected to the first port) with a Pansat PT5500 Dual KU LNBF on a 36" Winegard Dish. There are approximately 160 feet of Quad RG6 between the SW21 and the Dish. I went out to the dish with the receiver and a portable TV with only 5 feet of cable between the receiver and the Dish (and bypassed the SW21 completely) and see exactly the same signal as with the long cable run...
I am getting 80-88 on the odd's and consistently over 100 (between 102 and 115) on the even's... My odds where about 5-6 points higher when I put everything together originally - my evens are the same as in the beginning... I check the aim and tilt and both are peaked ok...
 
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