Radar Mast: Website Operations Howto  -- Tractorpoint Site Discussion Forum and Review Radar Mast: Website Operations Howto -- Tractorpoint Site Discussion Forum

  parts   |   manuals   |   discussion   |   photos   |   podcast   |   reviews   |   specs   |   dealers   |   classifieds   |   contact   |   faq   |   myProfile   |   home          Login Now | Sign Up


FAQ:   What is a tractor?

Forum Index

Kubota Tractors
  Kubota News
  Kubota Price
  Kubota Review
John Deere Tractors
  John Deere News
  John Deere Price
  John Deere Review
New Holland Tractors
  New Holland Tractor Price
  New Holland Tractor Revie
Other Tractor Brands
  Articulated Tractors
  Belarus
  Bobcat Tractors
  Case
  Cub Cadet
  Hinomoto
  Kioti Tractor
  Long
  Massey Ferguson
  Mitsubishi
  Other Tractor Brands
  Other Tractor News
  Shibaura
  Yanmar Tractors
Lawn and Garden Tractors
  Craftsman
  Cub Cadet Garden
  John Deere Garden
  Kubota Lawn Garden
  Other Garden Tractors
  Simplicity
  Toro Wheelhorse
  Ventrac Lawn Tractors
Antique Tractors
  Allis Chalmers
  Case David Brown
  Farmall IHC
  Ford
  Ford 9N 2N 8N
  Fordson
  Harry Ferguson
  John Deere Older
  Massey-Harris Ferguson
  Minneapolis Moline
  Oliver Cletrac Cockshutt
  Restoration
  Tractor Pulling
Tractor Attachments Implements 3ph
  Back Hoe
  Field Mowers Brush Cutter
  Grooming Mowers Finish Mo
  Loaders
  Snowblowers / Snow Plows
  Tillers and Ploughs
  Tractor Implements
  Trenchers
  Wood Chippers 3PH
Tractor Maintenance
  Diesel Fuel Lubrication E
  Tractor Engine Repair Reb
  Tractor Tires
Utility ATV
  All Terrain Vehicles
  John Deere Gator
  Mule Utility Vehicles
General Tractor
  Farming Ranching Agricult
  Photo Contest
  Size Tractor Needed
  Tractor Projects
  Tractor Safety
  Welding
Chinese Tractors
  Jinma Farmpro Agracat
  NorTrac Tractors
  Other Chinese Tractors
Cars
  All Brands
  Audi VW
  BMW
  Car Tires and Maintenance
  Chrysler
  Exotic, Sports, Racing
  Ford Cars
  General Motors
  Honda
  Hyundai
  Mercedes
  News
  Nissan
  Subaru
  SUV and Trucks
  Toyota Cars
Trucks Trailers
  Chevy Pickup Trucks
  Dodge Pickup Trucks
  Ford Pickup Trucks
  Toyota Pickup Trucks
  Chevy Pickup Trucks
  Dodge Pickup Trucks
  Ford Pickup Trucks
  Toyota Pickup Trucks
Home Building
  Alternate Electric Energy
  Barns Pole Barns
  Buying Ranch Farm Acreage
  Carpentry
  Contractors
  Electric
  Excavation
  Moldings Finish Trim
  Other Home Building
  Pellet Stoves
  Plumbing
  Wood Stoves
Tools
  Electirc Power Tools
  Gas Power Tools
  Generators
  Shop Tools
  Techniques Howto
Landscape
  Flowers Shrubs Garden
  Golf Course Maintenance
  Irrigation Systems
  Landscape Design
  Landscape Lighting
  Landscape Maintenance
  Lawn, Turf, and Grass
  Vegetable Gardening
Construction
  Caterpillar
  Komatsu
  Wheel Loaders
Current Events Health Happiness
  Current Events
  Dogs and other Pets
  Electronics And Computers
  Food
  Health
  Just For Fun Off Topic
  Movies Music Games
  Personal Finance Investme
  Sports Outdoors
Tractorpoint Site
  Member Photos
  Site Members
  Website Operations Howto


New As Posted | Active Subjects



Click to Post a New Message!

Discussion Boards > Active Subjects > Messages as Posted > Website Operations Howto Forum

Page [ 1 ] | 2 | 3 | | Next >>
Reply | Pop Up Window Reply | Add PhotoAdd Photo
 01-03-2004, 20:14 Post: 72981
cutter



View my Photos

View my Photos  Pics
Join Date: Feb 2000
Location: The South Shore of Lake Ontario, New York
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 1292

5
Filter by User
 Radar Mast

Here is one for the tractor board! The boat I am currently refurbishing came with a radar unit mounted on a homemade radar arch. It was a disgusting looking thing welded from square stock aluminum with little regard for appearance. It conformed nicely to the butcher job on the wiring and interior, I left it at the marina prior to having the craft hauled to my barn. I fired up the batteries today after cleaning all connections and removing rube goldberg additions to the factory harness, still plenty of cleaning up to do but it at least appears safe to use now. Since I have never owned a vessel with marine radar, I am wondering if I can mount the antenna above the cabin without degrading the signal forward. I realize I will lose the functionality of the rear 1/3 of the unit due to interference from the fly bridge, but I can live with that. Perhaps Murf might have experience with one of these?

Thanks,

Cutter






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 11:04 Post: 73113
Murf

TP Contributor

View my Photos

View my Photos  Pics
Join Date: Dec 1999
Location: Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 7041

4
Filter by User
 Radar Mast

Somebody called?

Depending on the unit it may or may not work in that position, some units will shut down the receiver if there is too strong a bounce back the transmitter.

Is there no way to mount the unit over the fly bridge? Of course the higher the unit is mounted the better the performance will be also.

Even a simple tripod type mount can be made easily and does not have to be 'professionally' made to be effective and easy on the eyes. The most common (and easiest to make) is a single vertical pole braced by two forward pole going out & down at a 45 degree angle to the first. The vertical can be mounted atthe front centre of the fly bridge and the supports on each corner of the cabin itself. If you want to cheat just a little, any welding shop that does aluminum or stainless TIG can make the brackets for each base and the junction point then just cut tubing to lenght and use stainless nuts and bolts to put it together.

Best of luck.






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 11:54 Post: 73114
Peters

TP Contributor

View my Photos

View my Photos  Pics
Join Date: Feb 2002
Location: Northern AL
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 3034

2
Filter by User
 Radar Mast

Do you want the microwave radiation beamed on the bridge area? I am not sure what the wattage power of these systems are but having watched birds fly near the military arrays what happens quickly can cook you more slowly.
Peters






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 12:45 Post: 73120
Murf

TP Contributor

View my Photos

View my Photos  Pics
Join Date: Dec 1999
Location: Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 7041

4
Filter by User
 Radar Mast

They are relatively low power units since they are designed to be used near people and in situations where they may accidental be left on in situations where they are nearly pointed at someone, such as in adjoining slips at a marina.

My unit is fairly powerful by comparison to other units available, it has a maximum output power of 4.0 Kw., the average unit has a 2.0 Kw. output.

Still probably not a great thing to have mounted in front of you.

Best of luck.






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 12:50 Post: 73121
AC5ZO

TP Contributor

View my Photos

View my Photos  Pics
Join Date: Jul 2003
Location: Rio Rancho, NM 87144
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 928

3
Filter by User
 Radar Mast

Most marine radars generate a dangerous amount of radio frequency energy. Your eyes are particularly sensitive to this frequency of radiation. You want to mount radar high and in the clear. The beam is fairly narrow, so there is little danger if it is mounted a foot or two over your head. But you never want to be within a few feet of the front of the horn when it is operating. Even a few hundred watts of power is dangerous in this frequency range.






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 13:07 Post: 73122
yooperpete
2004-01-05 00:00:00
Post: 73122
 Radar Mast

You are correct in stating the dangers of the radio frequency. You can go blind having it in your constant view. Remember when police used to lay the guns in their laps while waiting for speeders. Allot of cops got cancer of the XXXs. Our other engineer at the shop is a member of the Power Squadron(Boat guys). He'll bring in some tech info from their books. I'll post it tomorrow if he remembers.






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 13:13 Post: 73124
Chief



View my Photos

View my Photos  Pics
Join Date: Jul 2003
Location: Southwest MiddleTennessee
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 4280
 Radar Mast

Mike is absolutely right. You do NOT want to be sweeping the bridge area with radar microwave radiation. Not a good thing. It may not be of the wattage output of a miltary radar but you are not doing your body any favors exposing yourself to it. There were areas aboard ship that nobody was allowed and deck border warning areas were painted while the ship radar was in operation. Mount the radar antenna high enough to allow a safe distance above the bridge area and restrict the radiation output to above you heads. If you don't think this is a radiation hazard, just ask some policement who used earlier radar speed guns in their cruisers and kept the gun between their legs when not clocking vehicles. I am sure some of the law enforcement guys on the board with jump in here.






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 14:32 Post: 73133
Murf

TP Contributor

View my Photos

View my Photos  Pics
Join Date: Dec 1999
Location: Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 7041

4
Filter by User
 Radar Mast

There was a boat owner in the marina I used to use periodically on Georgian Bay (which is notorious for bad weather which comes up FAST) who used to leave his radar on while the boat was tied up in his slip.

His logic was he didn't want to be in a covered slip, he wanted to enjoy the sun, but he didn't want to be 'surprised' by a thunder-storm....

The management (less than politely) told him to either leave it off or get out.

Best of luck.






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 15:36 Post: 73140
AC5ZO

TP Contributor

View my Photos

View my Photos  Pics
Join Date: Jul 2003
Location: Rio Rancho, NM 87144
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 928

3
Filter by User
 Radar Mast

In the early days of RADAR, technicians adjusted the equipment for maximum output by putting their arms into the beam and feeling the "warmth." You could substitute the word "cooking" for warmth. These early sytstems used longer wavelengths working into large dish antennae. Todays marine radars combine very high power pulses into a very small aperture. Powers typically range between 2000 to 4000 watts. Microwave ovens are often rated for 750W.

A microwave oven and a marine radar are different because one is intended to maximize the heating effect, but both work on tissue the same way. One of my old amateur radio transmitters had an effective radiated power of just over a megawatt and it could knock birds out of the air. (This was pointed upward and was used to bounce signals off the face of the Moon.) The equipment had automatic shutdown switches so that you could not be inadvertantly exposed through an open access panel or port.

Diathermy used to be used for deep tissue heating, but that has now been largely replaced by ultrasound treatments which are much safer. Diathermy uses the same sort of RF tissue heating but at a much lower frequency and power level. As I said in a previous post, the eyes are the most sensitive organs in the body to this sort of damage, so never look into a radar horn.

Distance from the horn is also important. You get 0.1% of the RF exposure at 300 ft that you get at 10 feet from the radar source. This follows the square law for distance.

I am not sure of the power levels used by early police radar guns. Today the high efficiency doppler units can transmit pulses of just a watt or less. Still, I would not want to put one too near my cajones.






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
 01-05-2004, 18:06 Post: 73159
cutter



View my Photos

View my Photos  Pics
Join Date: Feb 2000
Location: The South Shore of Lake Ontario, New York
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 1292

5
Filter by User
 Radar Mast

Thanks for all the input :> on the subject. I was unsure if the windshield was a sufficient deterrent for the signal, but is sounds as though it is not. I did not realize they were quite so harmful as I have seen these units deck mounted on short struts. I have tossed the manufacture of the arch around in my head all day and had pretty much decided that is what I will do prior to reading all of these posts. I like the tripod idea Murf. I had thought of bending aluminum pipe, raking it rearward and welding a plate to the top center of the rig. I can bracket it in on the sides of the bridge, not much weight to support with just the antenna on it. I will have to play with some designs.

Thanks again!






Reply to PostReply | Quote Post Reply to PostQuote Reply | Add PhotoAdd Photo




Bookmarks: Digg It | Del.icio.us |
Reply | Pop Up Window Reply | Add PhotoAdd Photo


Page [ 1 ] | 2 | 3 | | Next >>

Discussion Boards > Active Subjects > Messages as Posted > Website Operations Howto Forum

Thread 72981 Filter by Poster:
AC5ZO 3 | Chief 1 | cutter 5 | HuckMeat 1 | Murf 4 | Peters 2 | TomG 1 | Wildman1 2 | yooperpete 2 |

 (advanced search)

Picture of the Day
cowrider

Belarus - Belarus 250as blowby
Belarus 250as blowby


Unanswered Questions

Belarus 825 - needs a new clut
Drain Cock
Need more hydraulic flow for s
HINOMOTO HB 501
Belarus 420A - Problems bleed

Active Subjects

460 Long hyd leak
460 axle
Key will not start engine
6x4 engine rebuild vsHarbor Fr
Things we say and what do they
The Plus and Minus of Ignoring
Looking to buy a New Pickup Tr
Need more hydraulic flow for s


Hot Topics

Tractor Category 1 2 3 Hitch s
Duerr hp 678 Chipper replaceme
Gator 620i gas in engine oil
KUBOTA Tractor Trouble Free Qu
Gator 6x4 Overheating problem
Duerr hp 678 Chipper Manual
Adjusting 7308 Pressure Relief
Long 460 hydraulic problem


Featured Suppliers

Mountain Creek Labradoodles
      MountainCreekLabradoodles.com





New Forums on Gun Sport Shooting and Hunting -- BarrelPoint.com  New Forums on Horses ManePoint.com
Talk Horses at ManePoint
Hunting + Gun Sports at BarrelPoint



Most Viewed

+ TP members coming and going
+ Any suggestions
+ Registering on Tractorpoint
+ What Display Resolution Does your PC have
+ Tractorpoint Site Improvement Survey
+ Oversea s Reply to Buy My Tractor- Suspicious
+ Tractorpoint on Smart Phones
+ Slow Response Time for Tractor Point
+ Anybody else not getting updated message posts
+ Ruger 357 Maximum

Most Discussion

+ TP members coming and going
+ Ruger 357 Maximum
+ Lights POWERR AC-
+ Big Bore Lever Actions
+ Looking a lot like Christmas
+ Anybody else not getting updat
+ Registering on Tractorpoint
+ Slow Response Time for Tractor
+ Tractorpoint Site Improvement
+ Site Suggestion Box

Newest Topics

+ Something I really like and something I don t
+ Equipment Manuals Now Available
+ How are Ads displayed on Tractorpoint
+ Twitter Tractorpoint
+ Subscription and Alert Changes
+ Tractorpoint Page Load Speed
+ Spam Private Mail Attack
+ Avatar
+ Do you use Twitter Facebook Linkedin Stumbleupon
+ New Forum Subscription Capability
















Turbochargers for Tractors and Industrial Machines
Cab Glass for Tractors and Industrial Machines

Alternators for Tractors and Industrial Machines
Radiators for Tractors and Industrial Machines

Driveline Components for Tractors and Industrial Machines
Starter Motors for Tractors and Industrial Machines