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Wrk3
Member
Username: Wrk3
Post Number: 97
Registered: 4-2004
| | Posted on Sunday, January 27, 2008 - 1:22 am: | 
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I am currently using 213 coax, I want to know what the best coax is, I'm currently using 213.
I want to know what the best coax in the same diameter is. My application is 2 meters.
littleman/cef-354
k5wrk/cef-202
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2ir473
Intermediate Member
Username: 2ir473
Post Number: 138
Registered: 7-2002
| | Posted on Sunday, January 27, 2008 - 8:39 am: |
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LMR-400 type coax would be very good at 2 meter frequencies. So would 9913. Your 213 has a bit more loss at 2 meter freqs than the two I mentioned, but there are other factors that come into play, such as the length of run you have, etc.
I use simple RG-8x for my feedline to my tri-band vertical (6/2/440) and it works for me, but I run LMR-400 on my 2m & 432 yagis for weak signal work.
Obviously, everyone has different operating needs and budgets. Search for coax cable attenuation charts and take a look at the various losses that different coaxes have at certain frequencies.
Paul
2IR473
CEF-218/ham #107
CDX8412
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Patzerozero
Senior Member
Username: Patzerozero
Post Number: 4131
Registered: 7-2004
| | Posted on Sunday, January 27, 2008 - 5:40 pm: |
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www.ocarc.ca/coax.htm
this site tells you that at 144 mHz, 100 watts through 50' of coax to an antenna with a 1.5:1 swr will get approx 11 more watts 'out' using lmr400 rather then rg213. it also says that 9913 gets another half watt MORE then lmr400! you can plug in any freq, wattage, swr, cable length you want, and they cover a very large assortment of coax. |
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