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Pulling Cable in Conduit
Yes a very negative effect and not a good idea.. If you look in the
history of this NG you will see some numbers about minimum separation distance from other metal. If you really want to run a balanced feeder you can use two pieces of coax with the shields connected at each end. The Z will be twice that of the original coax. (I use this as a Q section on 20m feeding a loop of about 170 ohms) Dunno about losses in this case (which open wire feeder are great for reducing) and of course the Z is going to be kind of lower than 450r. Cheers Bob VK2YQA jimbo wrote: Thanks for the replies. The ladder line would be used when the other lines were not being used. Does the proximity of other unpowered lines affect the ladder line operation for receive and transmit? Thanks, jimbo |
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