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Old June 6th 10, 01:04 AM posted to rec.radio.amateur.antenna
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First recorded activity by RadioBanter: Nov 2009
Posts: 115
Default BNC connectors 75 Ohm versus 50 Ohm?

Owen Duffy wrote:

There is such a thing as a 75 ohm BNC connector, but you are almost
certainly looking at 50 ohm connectors designed for use on 75 ohm cable.
My recollection is that the 75 ohm connectors are incompatible with the
50 ohm connectors, and in some combinations will spread the female inner
part.


Thanks,

The ad I saw said they were 75 ohm. If they really are 50 ohm connectors
for 75 ohm cable, so much the better. Without buying them, I have no way
to tell, and it's awfully expensive to buy one or two.

Shipping from the US to here runs between $20 (USPS) and $50 (FEDEX/DHL/UPS)
for anything. I was going to buy $10 worth of soldering iron tips from
Farnell, and they wanted a flat rate of $35 to ship them. :-(

Yes, see http://www.vk1od.net/transmissionline/RG6/index.htm .

I haven't seen any. I use BNC compression connectors on the RG6, then
BNC/N adapters to connect to the antenna N connector. Works fine, all
waterproof.


Wonderful, thanks.


I buy N, BNC, UHF, etc connectors that are of Chinese original that are
economical and excellent quality. But... you have to be picky, price is
not a good indicator of quality.


URLs??? Please.

There is also a prejudice against RG6. Again, quality varies, and you
need to inspect carefully and test product that you might use.


As in everything in life. :-)

Geoff.


--
Geoffrey S. Mendelson, Jerusalem, Israel N3OWJ/4X1GM
New word I coined 12/13/09, "Sub-Wikipedia" adj, describing knowledge or
understanding, as in he has a sub-wikipedia understanding of the situation.
i.e possessing less facts or information than can be found in the Wikipedia.
 
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