- Dec 30, 2012
- 6,992
I've researched info on the Polyphasers & there seems to be conflicting opinions on using one on coax from a J Pole antenna. What's y'all's opinion?
Amateur Radio FAQ
- Thread starter K31
- Start date
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If it's an antenna that's mounted outside and the lead comes inside you need some type of lightning protection. When I researched this the minimum required nationally was grounding of the coax shield at the point where it entered the structure but this may not meet electrical or fire codes alone. I personally would never have an outside antenna without a lightning arrestor and good grounding system.
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Since the weather has not been cooperating with outside operations, I've been working on a home built J-pole. Actually two, one will go to my brother on the far coast.
Ran a sweep with an analyzer and then made a couple of contacts by making a quick pole of PVC bungy'd to a fence post. All looks good on UHF and VHF.
Used this link for guidance... http://w8usa.org/wordpress/wp-content/uploads/2014/02/Aluminum_J-Pole_Build.pdf
The hardest part was try to keep the threads on the poles concentric with the 3/8" rod centerlines.
Just waiting on the vinyl protective end caps to finish of the build. I plan to mount up on the roof/chimney eventually. Just need to figure out best way to run the line down and into the house... and grounding.
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Ran a sweep with an analyzer and then made a couple of contacts by making a quick pole of PVC bungy'd to a fence post. All looks good on UHF and VHF.
Used this link for guidance... http://w8usa.org/wordpress/wp-content/uploads/2014/02/Aluminum_J-Pole_Build.pdf
The hardest part was try to keep the threads on the poles concentric with the 3/8" rod centerlines.
Just waiting on the vinyl protective end caps to finish of the build. I plan to mount up on the roof/chimney eventually. Just need to figure out best way to run the line down and into the house... and grounding.
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Attachments
Dip in some liquid plastic/tool handle coating goop.
Any other members thinking about going to this on Sunday?
Post here if you want to meet up and grab a cup of coffee beforehand at the Town Grill at 0730. I plan on taking the free Technicians Test and registration starts at 830 so that should be enough time for a quick breakfast.
gamer_jim
Podcaster
Yup, i plan on passing my general this sunday.
Pm me for meetup.
Sent from my SM-T320 using Tapatalk
Pm me for meetup.
Sent from my SM-T320 using Tapatalk
E.Shell
Ultimate Member
I'm going to stop in, do the nickel tour and grab a replacement 2m NMO antenna for my truck, but I think you guys will be too early for me.
I just picked up a used IC-7300. I may need to sit this one out to avoid further transgressions to my budget.
- Dec 30, 2012
- 6,992
I'll be going, as it'll be my first hamfest. Just looking to see what's for sale, I could use a good speaker I guess. Depends on how much cash I have left after Saturday's Gettysburg gun show.
I’m not sure how long the test takes but if it starts at 9:00 I’ll probably finish up around 9:30 and then spend an hour or so looking around. Hopefully we’ll run into each other.
I passed my Technicians Exam today.
I just wanted to say thanks to K31 for putting this FAQ together. I’m sure that you have many many hours invested doing the original writeup and also continuing to stay involved and offering advice through the years.
I had gotten some helpful direction from Ed Shell too and I appreciate that as well.
Time to start researching some hardware.
Looking forward to learning more and I’ll probably set my sights on taking the General exam sometime in the next year.
I just wanted to say thanks to K31 for putting this FAQ together. I’m sure that you have many many hours invested doing the original writeup and also continuing to stay involved and offering advice through the years.
I had gotten some helpful direction from Ed Shell too and I appreciate that as well.
Time to start researching some hardware.
Looking forward to learning more and I’ll probably set my sights on taking the General exam sometime in the next year.
- Dec 30, 2012
- 6,992
Congrats!
- Dec 30, 2012
- 6,992
Congratulations
MAZEL TOV!
Today you are a Ham.
You're too kind.
Ed is good people.
Since a lot of the information in the Tech is repeated in the General, don't wait too long.
It doesn't look like the speaker wire touches the cabinet so I would say for a monaural hookup it doesn't matter.
The plug is a 3 conductor (stereo type) though. Does the radio have a stereo output?
- Dec 30, 2012
- 6,992
I was using the phono plug only cuz it's on the front of the radio. The 1/8" is on the back.
gamer_jim
Podcaster
I get to add /AG to my callsign today.
Nice meeting ToolAA and congrats to him too.
Nice meeting ToolAA and congrats to him too.
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