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  1. #1
    Newcomer
    Join Date
    Oct 2009
    Location
    CT
    Posts
    23

    Default Speed Cam & Photoradar detection RX65 vs GX65?

    I just got off the phone with Bel since I'm going to take advantage of their $80 direct buy trade-in for my trusted ol' 985 that just died.

    I already know that k, ka, laser, and air patrol are my worst enemies in CT (especially laser), so I was set on the RX65 or v955 - leaning towards the RX65, but then the lady tried hard selling on the GX65 or 9500ix as she said that neither the RX or v955 would alert me to the presence of "Speed cams" used in my area. Huh?

    How is a "speed cam" different from photo radar - and is either of these a significant threat in the greater CT, MA, VT, NH, New England area? (most of my travel is in the Hartford, CT to Springfield, MA area

    Don't speed cams transmit k or ka band continuously alerting you of their presence anyway? I thought the big advantage of the GX or 9500i/ix was better range, being able to lock out falses, and the database of red light cams?

    Does this lady have a legitimate point - or is she just trying to up-sell me?

  2. #2
    Advanced Member
    Join Date
    Jun 2006
    Location
    Spring, TX
    Posts
    778

    Default Re: Speed Cam & Photoradar detection RX65 vs GX65?

    First off, I don't know anything about speed cams so I would like to know myself. But my best guess is speed cams are fixed locations. I'm thinking the GX 65 uses the GPS database to alert you to them.

    I think I vaguely remember seeing something about them. I think, they work by timing you from one point to another to calculate your speed. Same concept as VASCAR but automated. I don't have time as of this post to look it up. I would like to know myself.
    Last edited by Ray; 10-29-2009 at 01:58 PM.
    Outside Independence Hall when the Constitutional Convention of 1787 ended, Mrs. Powel of Philadelphia asked Benjamin Franklin, "Well, Doctor, what have we got, a republic or a monarchy?" With no hesitation whatsoever, Franklin responded, "A republic, if you can keep it."

    -V1 3.872 (1.3 Mi. C/O Ka pointed away from me. 3.6 Mi. C/O K)-Bel RX65 New Backup (4.1 Mi. C/O Ka 35.494 Ghz, light traffic) -Laser Interceptor Gen-8 Dual (No saves yet ) -Bel 980. -Galaxy DX 959 with a peak and tune.
    -Wilson Lil' Wil antennae. -Whistler 1585. -Whistler 1430. -Passort 3200 w/ 1000 laser detector (got stolen, bought one off ebay for nostalga).
    -Cobra Trapshooter RD-31XX? (Can't remember silver/teardrop shape X, K only). -Cobra Trapshooter RD-3110 (my first RD in 1987, when Cobras were good, bought one off ebay for nostalga new in the box). -Kustom HAWK. -Kustom Falcon cordless K Band. -Kustom Talon.

  3. #3
    Newcomer
    Join Date
    Oct 2009
    Location
    Winnipeg - Manitoba - Canada
    Posts
    48

    Default Re: Speed Cam & Photoradar detection RX65 vs GX65?

    "VASCAR (Visual Average Speed Computer And Recorder) is a semi-automated technique for determining the speed of a moving vehicle. It is used by police officers to catch speeders, mainly in jurisductions where RADAR and/or LIDAR are illegal, or to prevent detection by those with radar detectors. A VASCAR unit couples a stopwatch with a simple computer. An operator records the moment that a vehicle passes two fixed objects (such as a white circle or square painted on the carriageway) that are a known distance apart - a speed is calculated by the formula, speed = {distance \over time} , using the known distance between the two markers and the time the target vehicle takes to travel between them.

    This also allows determination of vehicle speeds by aerial platforms, such as helicopters, making it easier to secure a conviction."


    I know in my area the fixed cams are all VASCAR so the only way to protect against them is GPS fixed locations. As for mobile I haven't come across one since i've had my RD so i'm not sure what they are using in mobile units.

  4. #4
    Professional
    Join Date
    Mar 2008
    Location
    Pensacola, Florida, United States
    Posts
    1,283

    Default Re: Speed Cam & Photoradar detection RX65 vs GX65?

    The GX65 probably uses the GPS to detect these cameras for you as stated by others.

    If the camera runs radar it's a low powered signal and just searching for radar isn't going to yield very much warning. That's probably why she made that recommendation.

  5. #5
    Lead Foot
    Join Date
    Jul 2008
    Location
    Phoenix
    Posts
    445

    Default Re: Speed Cam & Photoradar detection RX65 vs GX65?

    I have a GX-65 and had an RX-65.

    The GX has gps which tells you the locations of fixed speed cams and fixed red light cams for the whole country. You can also lock out false signals like door openers because it marks with gps coordinates . You can also manually mark a location as a speedtrap, etc, if you see cops in an area all the time.
    Also since the gps knows your speed, you can have it not alarm under about 25 mph which is great when driving in a parking lot and your RX would constantly be going off near the door openers, which makes the GX a nice quiet detector.

    Yes it will still alert in a school zone at 15 mph, it will just give 2 beeps then mute on K.

    GX also has auto dim, lit buttons, and is probably more sensitive (cant prove that, my brother owns the RX now).

    Hope that info helps.

  6. #6
    Advanced Member
    Join Date
    Jun 2006
    Location
    Spring, TX
    Posts
    778

    Default Re: Speed Cam & Photoradar detection RX65 vs GX65?

    Here is what Wikipedia has on speed cams:

    Speed cameras for identifying vehicles traveling over the legal [ame="http://en.wikipedia.org/wiki/Speed_limit"]speed limit[/ame].
    • Many such devices use [ame="http://en.wikipedia.org/wiki/Radar"]radar[/ame] to measure a vehicle's instantaneous speed.
    • Sets of multiple cameras with number-plate recognition software which can check the average speed of a vehicle between two points.

    ANPR
    Fixed or mobile speed camera systems that measure the time taken by a vehicle to travel between two or more fairly distant sites (from several hundred metres to several hundred kilometres apart) are called [ame="http://en.wikipedia.org/wiki/Automatic_number_plate_recognition"]automatic number plate recognition[/ame] (ANPR) cameras. These cameras time vehicles over a known fixed distance, then calculate the vehicle's average speed for the journey. The name derives from the fact that the technology uses [ame="http://en.wikipedia.org/wiki/Infrared"]infrared[/ame] cameras linked to a computer to [ame="http://en.wikipedia.org/wiki/Optical_character_recognition"]"read"[/ame] a vehicle's registration number and identify it in real-time.[6]
    In principle, it is not possible (as in the case of a single speed camera) to slow down momentarily while passing one of the cameras in order to avoid prosecution, as the average speed over a distance rather than the instantaneous speed at a single point is calculated.
    In the case of the [ame="http://en.wikipedia.org/wiki/Australia"]Australian[/ame] SAFE-T-CAM system, ANPR technology is also used to monitor long distance [ame="http://en.wikipedia.org/wiki/Truck"]truck[/ame] drivers to detect avoidance of legally prescribed driver rest periods.[7] The state of Victoria has recently introduced an ANPR system for monitoring passenger vehicles.
    In the [ame="http://en.wikipedia.org/wiki/United_Kingdom"]United Kingdom[/ame], [ame="http://en.wikipedia.org/wiki/Automatic_number_plate_recognition"]automatic number plate recognition[/ame] (ANPR) average-speed camera systems are known by the [ame="http://en.wikipedia.org/wiki/Home_Office"]Home Office[/ame] as SVDD (Speed Violation Detection Deterrent). More commonly, they are known by the public by their brand name - SPECS (Speed Enforcement Camera System[8]), a product of Speed Check Services Limited, or just as speed cameras/[ame="http://en.wikipedia.org/wiki/Speed_trap"]traps[/ame]. They are frequently deployed at temporary roadworks sites on motorways, and are increasingly being used at fixed positions across the UK.

    This is the only thing I can find right now since I'm at work and my time on the computer is limited.
    Outside Independence Hall when the Constitutional Convention of 1787 ended, Mrs. Powel of Philadelphia asked Benjamin Franklin, "Well, Doctor, what have we got, a republic or a monarchy?" With no hesitation whatsoever, Franklin responded, "A republic, if you can keep it."

    -V1 3.872 (1.3 Mi. C/O Ka pointed away from me. 3.6 Mi. C/O K)-Bel RX65 New Backup (4.1 Mi. C/O Ka 35.494 Ghz, light traffic) -Laser Interceptor Gen-8 Dual (No saves yet ) -Bel 980. -Galaxy DX 959 with a peak and tune.
    -Wilson Lil' Wil antennae. -Whistler 1585. -Whistler 1430. -Passort 3200 w/ 1000 laser detector (got stolen, bought one off ebay for nostalga).
    -Cobra Trapshooter RD-31XX? (Can't remember silver/teardrop shape X, K only). -Cobra Trapshooter RD-3110 (my first RD in 1987, when Cobras were good, bought one off ebay for nostalga new in the box). -Kustom HAWK. -Kustom Falcon cordless K Band. -Kustom Talon.

 

 

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