I just picked up an ICOM IC-756PRO II at a local estate sale. Is there some
potential 6-Meter problem I should be aware of?
LJ
-----Original Message-----
>From: Mike <nf4l@nf4l.com>
>Sent: Apr 27, 2009 5:36 AM
>To: Scott MacKenzie <kb0fhp@comcast.net>
>Cc: towertalk@contesting.com
>Subject: Re: [TowerTalk] 6M Beam being weird
>
>Scott MacKenzie wrote:
>> All:
>>
>> I have a 6M beam that is showing high SWR (10:1). I checked each connector
>> to the antenna by disconnecting and placing a dummy load. Finally up at the
>> antenna, I disconnected the antenna, and placed the dummy load as the
>> antenna. Readings were 1:1 SWR. I then clean up the connector at the
>> antenna, and retest. SWR is still high.
>>
>> I then pull down the antenna (K1FO or similar - not M2) and check it out.
>>
>> With the coax disconnected, I check the connector - good continuity from the
>> center pin to the otherside of the connector (where the gamma match is
>> attached.
>>
>> I check from center pin to ground on the conductor to see if shorted -
>> Circuit is open.
>>
>> I check to make sure I have continuity between outside of gamma and rest of
>> antenna. Circuit is fine - and shows continuity.
>>
>> The only thing I can think of left is to replace the coax less shield inside
>> the gamma.
>>
>> What else can it be?
>>
>> I was hoping to get this up higher in the air for the summer Es season.
>>
>> Thanks
>>
>> Scott
>> _______________________________________________
>The rig isn't an ICOM ProII is it? I had a brand new one that had the 6M
>problem(un-beknownst to me), and I was assembling a new antenna, It
>exhibited a very high SWR.
>73, Mike NF4L
>
>_______________________________________________
>
>
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|