[Microwave] Cable specs wanted

[Dave Brown]

Tks Jerry- yes-I have that data on the FSJ1/50A. Getting data on the older 
cable type is what I want as I have a quantity of it here.  Forgot I had it 
actually! Just came across a box of it when sorting out some other cables a 
few days back. I suspect it will be similar - as regards loss at 10 GHz-  to 
the A suffix current cable, but really want to get that confirmed- else I'll 
have to connectorise a few meters of it and make some measurements.
73
 Dave, ZL3FJ


----- Original Message ----- 
From: "Dr. Gerald N. Johnson" <geraldj at netins.net>
To: <microwave at mailman.qth.net>
Sent: Sunday, December 04, 2016 4:54 PM
Subject: Re: [Microwave] Cable specs wanted


>I only found one Andrew catalog in my library, number 35 dated from 1991. 
>For FSJ1/50A it says good to 20.4 GHz and loss at 10 GHz is 21.8 dB / 100 
>feet.
>
> LMR240 is a similar size and a length I had measured at MUD 2014 had half 
> the dB loss per 100 feet as good UT-141 at 10 GHz, though the catalog data 
> stops at 6 GHz. The measurement was 1.75 dB loss for 5'10" that would be 
> 30 dB /100 feet. Extrapolating the LMR plotted data shows 27.5 dB / 100 
> feet at 10 GHz.
>
> 73, Jerry, K0CQ
>
> On 12/3/2016 8:47 PM, Dave Brown wrote:
>> Looking for the attenuation figures for Andrew FSJ1/50- this is the
>> older cable type, NOT the current type FSJ1/50A. I suspect they are
>> similar but would like to have this confirmed. Particularly interested
>> in attenuation figures for 10 GHz. I can't find any references to cable
>> loss figures in the microwave region for this older cable type anywhere
>> on the internet. (so far!)
>> 73
>> Dave, ZL3FJ
>>
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