[TechAssist] Re: VHF Boat Radio(weak reception) ?
- From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 6 May 2002 15:10:33 -0400
Hi Ron,
To do what you say would I need a high frequency signal generator? I do
not have one. I am checking into getting one now. I think it should be up to
500 MHz please correct me if I am wrong.
There is a need for VHF radio repair in my area...I have not got into this
yet!
Bruce.
B&T Electronics
Sarnia Ontario
Canada
(southern tip of Lake Huron).
----- Original Message -----
From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, April 29, 2002 12:47 PM
Subject: [TechAssist] Re: VHF Boat Radio(weak reception) ?
>
> Bruce,First thing I do with these units is a receiver sensitivity
test.With
> signal set to 400cps or 1000cps tone at 30%modulation on the proper Vhf
> freq.,you should be able to break the squelch at 1 micovolt,at 3
microvolts
> you should hear a nice clear tone.If this is ok,suspect your antenna
> system.On the transmit I would also check your VSWR...Don..............
> HARTS-TVCR''ASC''
> 9-Robert St.,Oromocto,NewBrunswick,CAN
> Tel#506-357-9785Fax#506-357-6010
> ----- Original Message -----
> From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, April 29, 2002 11:44 AM
> Subject: [TechAssist] VHF Boat Radio(weak reception) ?
>
>
> >
> > This is my own VHF Radio it is a Uniden MC625 unit. This radio is
probably
> > about 6 or 7 years old. It does not use the old crystals for each
channel
> > but has a dial type digital display.
> > I am not looking for a quick fix, mainly some advice hopefully from some
> one
> > that works on VHF radios.
> > I don't know if it is even worth while getting a print not knowing if I
> > have to have special equipment to work on these units.
> >
> > I would suspect that moisture causes this type of problems by changing
the
> > value of coils or crystal in the unit. Would think these units are
> similar
> > to CB's.
> >
> > The mic will send good at 1 watt and 25 watts it is mainly poor
reception
> > that is the complaint.
> >
> > thanks
> > Bruce
> > B&T Electronics
> >
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