At 02:31 PM 1/5/04 -0500, you wrote:

>Ok Guys and Gals
>
>I have a little problem here
>I am getting a crap load of noise off my repeater

Can you describe the noise?

>I have a Linkcomm Moto squelch
>and a RLC2A controller
>
>with a good ol Harris radio
>
>now here is the problem
>
>when I key the radio  I can talk and an bad noise follows then the tail
>drops
>
>will I thought it was the repeater BUT I look at the squelch and the
>light goes out after I unkey but the noise is still there  or a couple of
>sec.

Same length as the tail?


>I thouht it was where the repeater is so I added PL
>
>again PL and COS drop and still have that darn noise

PL only hides problems - it doesn't fix them.

You have to remember that PL (or DPL) doesn't solve interference issues,
it just covers them up.   Sure, the RX won't unsquelch if it is requiring a
tone but the interference is still on the channel so what improvement have
you really gained?

You add PL to keep your system free of users of other repeaters whose
coverage overlaps yours.

>could this be coming from my power supply ?

Have you put a voltmeter on the output?
or an oscilloscope?

>via the controller ?

Have you plugged a audio monitor amp into the controller's TX output?
Radio Shack has a half-decent one for about $20

>the radio controller PL pannel are all on the same PS

No problem there as long as you have them decoupled.

>every thing is drawing about 12 amps out of a 30 amp PS
>
>any one have any idea what might be going on ??

Read the debugging articles on the antenna systems
page at www.repeater-builder.com

>Thanks
>
>
>Rick Szajkowski VA3 RZS
>Charlotte Darby VA3 CMR
>Node Owners of IRLP Node 2120
>Lakefield Ont Canada




 

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