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How often should i attach the mast section to the building?

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Every 25 feet... if you dont know that maybe you shouldnt be operating one

Posted on Jan 16, 2013

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Posted on Jan 02, 2017

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1 Answer

Grounding uhf antenna


First off, using a Ground post driven into the soil is important. The best ground post procedure is to SLANT a 6 or 8 foot rod into the soil at an angle (not directly down). The angle allows for a greater ground surface and is more effective. If a Ground rod is cut off because it cannot be driven deep into the soil; this defeats the need to ground electronic or other devices.
12G wire is OK for an antenna if 8 or 10 are not available. Copper is best, but aluminum will work. The Grounding bock is attached to the mast, usually near where the antenna if affixed to the mast. Simply drill a small hole into the Mast section using the block as your guide. Using a hex driver and small hex screws, tighten the block to the mast. Good contact is necessary, so tighten all attachments. I suggest getting Rubber Boots or Covers to protect the connectors on the block from corrosion. The reason I attach blocks to the mast is to ground the Mast first and Antenna second. Not a critical feature. You may also use petro-jelly to cover the nuts, bolts, and screws to prevent corrosion or binding.

Dec 18, 2013 | Cable Wholesale F-Pin Coax Grounding...

1 Answer

G5rv lite installation instructions


A G5RV antenna is a popular ham antenna due to its cost, weight and ease of installation. The G5RV is a really a dipole type, that looks like a "T" with the top of the T as the main radiator consisting of a single conductor main radiator and the bottom of the "T" (also radiating on certain bands) consisting of a 2 conductor 450 - 600 ohm "ladder line" that terminates in a fitting that converts ladder line to a coaxial connector.

One of the most popular configurations is the inverted "V". Depending on the version of the antenna, the main radiator will be either 102, 92 or 51 feet long. The ladder line will be 32, 42 or 16 feet (respectively) in length and will require a coax feed length of 70, 70 or 40 feet minimum (again, respectively) to present the proper range of impedences to your manual or auto tuner (the G5RV REQUIRES an external tuner to present an acceptable SWR or impedence match to your transmitter on all bands).

The inverted V requires a mast as high as you can erect, located as close as centered between support sources (trees, buildings, etc.). Ideally, there should be enough room between the mast and the main radiator supports to allow the main radiators to be fully extended. Also, the ladder line should be able to hang straight down without being coiled on the ground at the base. This means you'd need a 32 ~ 42 foot mast at minimum.

The top of the mast will be needed to be fitted with an anchor or hook that will support the center insulator that provides strain relief, splits the ladder line and allows connection of the ladder line conductors to the single conductor main radiators.

Unroll the antenna on the ground. Connect the center insulator to the top section of the mast by the hook. Install "antenna lead stand offs" every 3, 4 or 5 feet. Secure the ladder line to the stand off to keep it from touching / wrapping around the mast.

Use UV resistance parachute cord to connect to and support the main radiator insulator, and pull the slack from the line, from a point as high off the ground as possible. Do the same to the other radiator, trying to match the height above the ground as the first radiator. Go back and forth between the two radiators (or have a helper - so each can be pulled slowly, and evenly together. Inspect the mast to be sure it is still straight. Loosen or tighten the radiator support lines as needed to allow the mast to stand straight.

Secure all lines, connect and run coax to the connector at end / bottom of the ladder line. and connect the opposite end to your antenna tuner connector labeled "ANT". Connect a short coax cable between the transmitter's "ANT" connector and the tuner's "XMIT" connector.

Set xmit power to 5 - 10 watts, transmit and operate the tuner - or set up your radio to use an external auto tuner. Tune for lowest SWR or reflected power. The internal auto tuner on many radios is only good for correcting up to a 3.0:1 mismatch or SWR. The G5RV will present mismatches far in excess of 3.0:1 on certain frequencies and bands.

Jan 12, 2013 | Radio Communications

1 Answer

Power antenna keeps running in down position on 1987 Buick Grand National. Is there a fuse I can pull as opposedto disconnecting the battery


Its most likely running because of a broken mast cable.
The ACC fuse powers the antenna. But it also powers the interior lights, door locks, etc..
May just want to go under the dash and find the connector and unplug it.
If you go for an aftermarket replacement mast, not all work.
The cable on that is most likely a smooth cabel with a J hook at the end. Most the aftermarkets have teeth and no hook.
Napa auto parts sells replacements that may work. When the antenna mast did the very same thing on my 89 Camaro I got a replacement from Corvette Central. Pricey for just a top section of the mast but just about all I could find.
Aftermarket antennas are fairly cheap and can work.

Oct 10, 2011 | Cars & Trucks

1 Answer

Anntenna won't go down, I can hear the motor trying to bring it down but it won't move. 1998 Ford explorer, Eddie Bauer awd. Is it the motor, what should I replace and where can I get instructions on how...


The nylon cable that attaches to the top part of the mast has broken apart. When this happens the mast will not retract down. The upper part was srerviced years ago although no longer from Ford

Dec 24, 2010 | 1998 Ford Explorer

1 Answer

Why does my radio on a Corsa Design 2007 only pick up the bbc radio channels? I have just bought the car.I have no arial on the top of the car.


Hi,

You should have an Aerial mast on the roof of the car, it should be situated at the rear of the roof in the centre. All Corsa`s come fitted with an Aerial as standard so it should be there. If it is missing or broken then you will only be able to pick up the BBC stations as they have the strongest signal strength.


The Aerial consists of a base section attached directly to the roof and a mast which is removable from the base by simply unscrewing it, it`s not uncommon for the mast section to get pinched as it`s easily removable but they can be bought separately from any any vauxhall dealer and are easily replaced.

Hope this helps and thanks for using fixya

John

Dec 23, 2010 | Car Audio & Video

1 Answer

THE ELECTRIC AERIAL ON MY 2003 VOLVO S40 STICKS IN THE DOWN POSITION. THE MOTOR IS TRYING TO RAISE IT BUT FAILS.


the antenna mast has a nylon cable attached to the end of it which goes into the electric motor that raises it and lowers the mast. This cable has snapped apart causing this problem. A new mast or antenna will be needed to repair this back to working condition

Mar 24, 2010 | 2003 Volvo S40

2 Answers

Mazda Tribute 2001 automatic antenna is broken. Can hear the motor running but I think the cable is broken. Where can I buy an antenna mast aside from the Mazda Dealer.


If you hear the motor running, you are probably right that the cable that attaches to the antenna mast is broken. You should be able to buy this part only. Check Ebay. Sometimes you can buy the mast portion with the cable attached only. It's a lot cheaper than the whole assembly with the motor.Here's a link to one.

http://cgi.ebay.com/ebaymotors/Black-Billet-14-ANTENNA-2001-thru-2009-Mazda-Tribute_W0QQcmdZViewItemQQhashZitem588671d518QQitemZ380212729112QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories

Good luck!

Feb 12, 2010 | 2001 Mazda Tribute

2 Answers

How do you replace a 1989 caprice electric antenna?


Remove right side trunk panel inner liner,remove outside mast jamb nut with needle nose or lock ring pliers. Remove motor mounting bolts,remove drain and electrical connector.If you are just servicing the cable mast kit,open/split the motor drive housing and remove a small section of broken cable which will cause the antenna not to go all the way down if left there.

Jul 19, 2009 | Chevrolet Caprice Classic Cars & Trucks

1 Answer

Cadillac antenne 1976


its has a hole through the fender for the mast to come through and a brace at the motor housing to attach to the inner fender support. a threaded antenna bezel is needed to mount the mast to the fender

May 25, 2009 | 1976 Cadillac Deville

3 Answers

Installation of vt holden commodore aerial rope and mast


You access the ariel via the left hand wheel arch.
1. Remove left wheel mud guard. It is held in with a bunch of press studs which can be difficult to remove. I found pulling on the plastic mud guard whilst turning the screw helped.
2. unbolt the electric ariel assembly. There is an earth strap that needs to be unscrewed as well.
You should be able to get the ariel out far enough to work on it.
3. Remove chrome plated nut to top end of mast tube.
4. With great anger and force, remove the dead ariel and drive cable from the mast.
It's difficult to get the mast to work unless it's earthed properly.
5. Get you hand inside the wall and remove the ariel face plate. Swear if you have to.
6. Put the ariel mast assembly back into the wall and hook it all up minus the new ariel.
7. Switch your radio on, then put the new ariel into the mast. Gears facing the rear of the car. Switch the radio off, it should retract. If not you may need to push it in a little further.
8. Remove the ariel mast again and slip the chrome nut to top end of mast tube and tighten securely.
9. Ask the spouse to close up whilst you have a beer.

Apr 03, 2008 | Car Audio & Video

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