On 4/16/2011 5:23 PM, Mark n2qt wrote:
> the MFJ RCS4 needs AC voltage for it to work right. You can't wire it into
> the
> station 12 volt supply and get it to work.. (well you would be able to
> get two of the 4 specified switched connections, but that would probably
> leave
Then how about tapping off the 12V AC.
There is nothing special about wall warts, except they often make RFI,
and they charge for them when generally we have a better source handy.
OTOH there are such things as small battery chargers that need current
limiting but that is typically done int he charger, and not the wall wart.
73
Roger (K8RI)
> you unhappy).
>
> Mark n2qt
>
>
>
> -----Original Message-----
> From: K8RI on TT
> Sent: Saturday, April 16, 2011 5:09 PM
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk]>>Ameritron RCS-4 remote switch
>
> On 4/16/2011 3:55 PM, Jon Casamajor wrote:
>> Tony,
>> I have used this switch since 1988 on my tower with various antennae. I
>> have had a couple of problems and learned a few lessons. First, I have
>> elected to mount the relay box at ground level so that if something goes
>> wrong I don't have to crank down the who tower to trouble shoot. Not a big
>> deal when I was younger but a big deal as I age.
>> I have two systems. One has the power supply built into the station
>> console.
>> This was my original and still is in service today. The second one made by
>> MFJ has an external wall wart. Just a few weeks ago the wall wart failed
>> and took out the RF Choke while it was at it. Parts were $12, fix was
>> easy.
>> That is why I have two. BTW, the wall wart is 12V AC @1A, not DC so you
>> can
>> have trouble finding one rated for the 1A current.
>>
> If the "wall wart" is of standard voltage why both even using it. I
> wire mine right into the DC supply.
> I do use the remote switches with wired control rather than the ones
> that use the coax and decoding. It's just a matter of preference but I
> see the decoder as just one more thing to fail. Likewise I mount the
> remote switches near the bottom of the tower... Just out of reach so it
> takes a step ladder or about a 5' climb. (just as a deterent)
>
> 73
>
> Roger (K8RI)
>
>> Based on my rather lengthy experience, I think it is a good value and
>> saves
>> running yet another darn cable to the tower
>>
>> 73, Jon
>> K6EL
>> -----Original Message-----
>>
>>> All,
>
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