[ADXA] receive antenna port on back

[David Norris]

J.,

Yaesu never had a problem with this that know of...  

We gimped up a 7700 at FD a couple of years ago...

73

David A. Norris, K5UZ
Director, Delta Division

Sent from my iPhone

> On Jan 21, 2016, at 10:52 AM, J Ferguson <jdferguson at me.com> wrote:
> 
> David et al,
> 
> What about Yaesu’s?
> 
> 73,
> J Ferguson
> N5LKE
> 
> 
>> On Jan 21, 2016, at 10:49 AM, David Norris <k5uz at suddenlink.net> wrote:
>> 
>> Don't use the RXV ant jack on Icoms.  Use one of the other ant jacks.  You can set most of the newer radios to RCV on one jack and XMT on another.  No chance of blown relays. This works fine on the 7700 and the 7800/7850.
>> 
>> 73 
>> 
>> David A. Norris, K5UZ
>> Director, Delta Division
>> 
>> Sent from my iPhone
>> 
>>> On Jan 21, 2016, at 8:39 AM, hamop1 <k5yy1 at cox.net> wrote:
>>> 
>>> Icom rigs have been known to blow thru the receive antenna only phono jack input, getting RF THRU the internal TR relay for the main antenna. Much is strict RF overload of that one ‘receive only’ line ..... I would disconnect any long wire close to the ground and reconnect, perhaps an old “throw switch”?..  I have no problems if putting a dipole in that “receive only” antenna input, for some reason. It should overload too , if too close to the transmit antenna...
>>> 73
>>> San
>>>  
>>> From: Dennis Schaefer
>>> Sent: Thursday, January 21, 2016 8:05 AM
>>> To: Joel Harrison
>>> Cc: adxa
>>> Subject: Re: [ADXA] VP8STI 160 Meters - A Wild Night!
>>>  
>>> Joel,
>>> 
>>> We appreciate the updates and it is good to see messages on the ADXA list.
>>> 
>>> I don't work 160 much, but my 130 foot horizontal dipole works fairly well for transmit when the feedline conductors are tied together and fed against ground.   I need a receive antenna and my rig has a receive antenna port.   I see receive antenna protectors, but I have not really seen much about when one is needed.   If I am running 100 watts on 160, what are the possibilities that I will blow my receiver due to RF on the receive antenna port?   I assume a relay or other circuit in the rig  removes the antenna from the circuit when I am transmitting, but I'm not sure.   I can ask the question on the Kenwood TS-590S reflector, but I knew there was a lot of knowledge here also.  
>>> 
>>> So - just for educational purposes - does using a separate receive antenna increase chances of blowing the receiver front end at 100 watts?   At 1 kw?
>>> 
>>> 73,
>>> Dennis, W5RZ
>>>  
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