Topband: Relay info needed,

Mon Nov 13 08:52:50 EST 2017

Which of these would be suitable

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F162342540907

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F162738582467

I need 2 as I have a 80m wire suspended off the 160m vertical so I detune that as well when in RX

Also I'm switching the ground of the coax so when I'm in Rx the coax gnd is floating is this needed as it would reduce the need of a third relay,

Thanks
Trevor
----- Original Message -----
From: John K9UWA <john at johnjeanantiqueradio.com>
To: MR TREVOR DUNNE <ei2glb at eircom.net>
Sent: Mon, 13 Nov 2017 03:18:34 -0000 (GMT)
Subject: Re: Topband: Relay info needed,

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<div align="left"><font face="Arial" size="2"><span style=" font-size:10pt">Most people use a Vacuum Relay called an RJ-1 as they have enough 
current ability and they are FAST as Fast is most important or else you will 
burn up the relay when you hit transmit and the relay isn't back to transmit 
position when it hits it arcs and welds the contacts. Or blows them.</span></font></div>
<div align="left"><font face="Arial" size="2"><span style=" font-size:10pt"><br>
</span></font></div>
<div align="left"><font face="Arial" size="2"><span style=" font-size:10pt">John k9uwa</span></font></div>
<div align="left"><font face="Arial" size="2"><span style=" font-size:10pt"><br>
</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> Hi All</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> So after I got my vertical all tuned in I have been having a blast on TB over</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> the last week or two, </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> Thanks to everyone who helped me with that by the way, there was too many of you</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> to reply to everyone but I can't thank you all enough,</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> Anyway on to the next problem,</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> I built a small relay box to disconnect the vertical from the coax to reduce</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> re-radiated noise on my RX antenna,</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> This evening I was checking and TB seemed very quite and it seems that the relay</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> has burnt out, ( iwent out at 11pm to short it to work the 9U for a new one)</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> it's a 12v 30amp automotive relay one you would use for spot lights or an air</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> horn ect,</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> I'm guessing this isn't up to the job, I have the relay in line between the end</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> of the vertical and the top of the coil as that where I was told to place it,</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> Can anyone recommend a better relay for the job, ideally it would be 12v coil as</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> thats what I have going out to the box,</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> I was looking at some split charge relays rated at 200 amps would that be a</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> better job or failing that Array solutions have some relays that might work but</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> by the time I'd get them over here would be expensive,</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> https://www.arraysolutions.com/rf-10</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> Thanks</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> Trevor</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> EI2GLB</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> _________________</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> Topband Reflector Archives - http://www.contesting.com/_topband</span></font></div>
<div align="left"><font face="Arial" color="#7f0000" size="2"><span style=" font-size:10pt">> </span></font></div>
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</span></font></div>
<div align="left"><font face="Arial" size="2"><span style=" font-size:10pt">John Goller, K9UWA & Jean Goller, N9PXF</span></font></div>
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<div align="left"><font face="Arial" size="2"><span style=" font-size:10pt">Visit our Web Site at:</span></font></div>
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