Well, the run is 50 feet at best, so hopefully, the losses will even be
less.
Thanks again, Steve.
73 from Tom Behler: KB8TYJ
----- Original Message -----
From: "Steve" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, April 29, 2011 9:52 PM
Subject: Re: coax question
Looking up the characteristics of 213U, I think the loss is around 2DB at
100MHz, close to 3DB at 150MHz. That's ok for a run of less than 75 feet or
so.
----- Original Message -----
From: "tom behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, April 29, 2011 8:59 PM
Subject: Re: coax question
> Thanks, John. ... I'll wait to see what the others say, but I was
> really
> worried there for a second.
>
> Eventually, maybe I will replace it with 9913, but I hate to have my help
> go
> up there again right now if I don't have to.
>
> Appreciate the vote of confidence.
>
> 73 from Tom Behler: KB8TYJ
>
> ----- Original Message -----
> From: "John Miller" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, April 29, 2011 8:33 PM
> Subject: Re: coax question
>
>
> for a 50 foot run that will be fine. I wouldn't worry about it. if it was
> RG58 I'd say replace it ASAP but RG213 isn't that bad on vhf and for a
> backup will be fine for uhf.
> ----- Original Message -----
> From: "tom behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, April 29, 2011 8:23 PM
> Subject: coax question
>
>
>> Hello, again, everyone.
>>
>> Last week, when I had some help over here to resurrect my 40-foot mast to
>> support my HF antennas, we decided to put up an extra VHF/UHF J-pole
>> antenna
>> on the very top of the mast. This was kind of an impulsive decision, so
>> I
>> had to scrounge together what coax I could for the feed line. In my
>> scrounging efforts, I found what I thought was a 50-foot piece of RG9913
>> coax. It only had a PL259 on one end, but I wasn't too worried about the
>> prospect of putting another connector on the shack end at some point.
>>
>> Today, out of basic curiosity, I thought I should check to see exactly
>> what
>> kind of coax I was dealing with, and was somewhat dismayed to find that,
>> in
>> reality, it is RG213U.
>>
>> What I need to know now is whether I'm in serious trouble here.
>>
>> I know that RG213U is not as high-quality as RG9913, but I'm hoping it
>> will
>> be reasonably adequate for an outdoor back-up VHF/UHF antenna.
>>
>> If this kind of coax is not suitable for what I need, I may have to bribe
>> my
>> friend to climb up there and replace it with something better.
>>
>> I'm going to a local swap next week-end, so can pick up some 9913 there
>> if
>> this looks to be a truly necessary step.
>>
>> I'd be interested in any thoughts.
>>
>> Thanks, and 73 from Tom Behler: KB8TYJ
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