[R-390] Antenna balun
William J. Neill
wjneill at consolidated.net
Wed Jul 20 14:01:23 EDT 2011
Take a look at the other items being offered via eBay by this person.
Bill Neill
Conroe, Texas
On Jul 20, 2011, at 12:52 PM, Tisha Hayes wrote:
> Finding the coax and connectors is pretty easy. It is the same stuff that
> was used on IBM ThickNet connections in the bad 'ol mainframe days. Looking
> for it as a radio supply will not yield any results or will show folks who
> know that it can be used for the R-390/A and they charge an arm and a leg
> for it. Surplus IT places will practically beg you to take it away.
>
> Tisha
>
> On Wed, Jul 20, 2011 at 12:48 PM, rbethman <rbethman at comcast.net> wrote:
>
>> The quality indeed looks VERY good, BUT then You'd have to buy one for the
>> antenna AND one for alignment.
>>
>> It seems that the alignment for 50 Ohms, AND connect a 50 Ohm feed-line is
>> simpler and cheaper. I certainly have NOT found ANY of this twin-ax, and
>> don't have a balanced feed-line, nor a dipole that exhibits a 120 Ohm
>> impedance.
>>
>> Just my $0.02!
>>
>> Bob - N0DGN
>>
>>
>> On 7/20/2011 1:21 PM, Tisha Hayes wrote:
>>
>>> Really interesting item. Looks like it is grade A build quality
>>>
>>> 330590619004
>>>
>>>
>
>
> --
> Ms. Tisha Hayes/ AA4HA
> -
> *"Learning is not virtue but the means to bring us an acquaintance with it.
> Integrity without knowledge is weak and useless, and knowledge without
> integrity is dangerous and dreadful. Let these be your motives to action
> through life, the relief of the distressed, the detection of frauds, the
> defeat of oppression, and diffusion of happiness." -- Nathanael Greene*
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