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  1. #1

    Default POP ON and Junk Filter on

    Hey everybody so it is my understanding that having POP on will increase the sensitivity to instant on radar guns is this correct? my second question is does turning on the new junk-k fighter decrease the sensitivity? I want it the be the most sensitive as possible, would that be POP on and junk k fighter off? or does the junk k fighter use software that doesn't effect the sensitivity to actual radar guns? thanks

  2. #2
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    Default Re: POP ON and Junk Filter on

    Quote Originally Posted by michaelalex17 View Post
    Hey everybody so it is my understanding that having POP on will increase the sensitivity to instant on radar guns is this correct? my second question is does turning on the new junk-k fighter decrease the sensitivity? I want it the be the most sensitive as possible, would that be POP on and junk k fighter off? or does the junk k fighter use software that doesn't effect the sensitivity to actual radar guns? thanks
    With most detectors it's been my understanding that enabling POP can actually decrease performance to IO as counterintuitive as that may sound. The exception may be the V1 as its enabled by default but I haven't specifically tested it.

    K-band filtering does effectively reduce sensitivity but the alternative is worse.

    VG
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  3. #3

    Default Re: POP ON and Junk Filter on


  4. #4
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    Default Re: POP ON and Junk Filter on

    A comment Mike Valentine made a long time that has proven correct is when triggering radar guns at point blank range or otherwise extremely close to an RD, it can "overwhelm" the circuitry with too strong a signal strength and cause the RD to not alert consistently.

    We have also seen other examples that if a radar guns transmitting antenna is pointed directly at a receiving horn of an RD that the RD can actually get "cooked" and damaged as a result.

    Interesting video, though. Thanks for posting it, I hadn't seen it before. Sitting on the side of the road doesn't exactly count as "risking" one's life.

    VG
    Last edited by Veil Guy; 02-13-2015 at 04:06 AM.
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  5. #5

    Default Re: POP ON and Junk Filter on

    I agree with the risking life comment haha. What about this:

    POP ON

    K -121 Responded 100% at time intervals above 100ms
    33.8 -112 80% at 67ms, 100% from 100 to 200ms, 20 to 80% from 300ms to 600ms, 100% above 700ms
    34.3 -115 0% below 500ms, 50% from 500 to 600ms, 100% above 700ms.
    34.7 -115 0% below 300ms, 50% from 300 to 600ms, 100% above 700ms
    35.5 -113 0% below 300ms, 50% from 300 to 700ms, 100% above 800ms.
    These times were based upon 10 tries at each interval of 100ms from 100ms up thru 1 sec.


    POP OFF

    K -121 Responded 100% above 200ms.
    33.8 -112 Responded 100% above 600ms.
    34.3 -115 Responded 100% above 700ms.
    34.7 -115 Responded 100% above 400ms.
    35.5 -113 Responded 100% above 400ms.
    Unit would sometimes alert at bursts less than the above during POP OFF mode but not consistently enough.

    POP attempts with POP ON. 10 random tries at intervals of 10 seconds or more
    33.8
    67ms 80%
    100ms 100%
    200ms 100%
    300ms 70%
    400ms 50%
    500ms 20%
    600ms 80%
    700ms 100%
    800ms 100%
    900ms 100%
    1 sec 100%



    or this:



    "I have not noticed a difference vs. 34.7 Ka by running with POP off, but K-band seems to be more consistent with POP on.

    In POP mode, the V1 is sweeping 33.8 Ka and K band at 5 times the normal rate which gives it a better chance of seeing a weak signal (and in the case of 33.8.......verifying it) before it disappears. I think that at fringe detection range the signal is unstable with irradic peaks above the noise floor.......and so this increased sweep rate can improve detection range.

    So I would say POP on should theoretically improve 33.8 Ka and K-Band range. Turning POP off would have a much smaller positive effect on 34.7 and 35.5.



    I'd attach the document but the upload takes an error on this forum.......like everything else.

    http://www.google.com/patents?id=Uvd...page&q&f=false

    NOTE: Make sure to scroll to the top of the document when it opens in your browser!

    Check out Figure #6. That is the basic V1 LO Sweep scheme.

    Figures 2 & 3 are normal sweep without POP activated and figures 4 & 5 show the sweep pattern with POP active. You will note the (5) mini sweeps for 33.8 and 24.15 (as well as an oversweep looking for LO harmonics) with POP active."
    Last edited by michaelalex17; 02-13-2015 at 10:32 AM.

  6. #6
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    Default Re: POP ON and Junk Filter on

    I would turn Pop off. Leaving it on gives lots of false alerts. At night I love pop corn.
    Last edited by radarrob; 02-13-2015 at 01:57 PM.
    Radarrob is a approved radar detector and Parking sensor installer Anywhere in the United States.Has access to Radar and Lidar Guns to test systems.Need Help Choosing a Radar Detector or parking sensor for your needs? Visit my Install Thread:

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    Default Re: POP ON and Junk Filter on

    Quote Originally Posted by Veil Guy View Post
    Quote Originally Posted by michaelalex17 View Post
    Hey everybody so it is my understanding that having POP on will increase the sensitivity to instant on radar guns is this correct? my second question is does turning on the new junk-k fighter decrease the sensitivity? I want it the be the most sensitive as possible, would that be POP on and junk k fighter off? or does the junk k fighter use software that doesn't effect the sensitivity to actual radar guns? thanks
    With most detectors it's been my understanding that enabling POP can actually decrease performance to IO as counterintuitive as that may sound. The exception may be the V1 as its enabled by default but I haven't specifically tested it.

    K-band filtering does effectively reduce sensitivity but the alternative is worse.

    VG
    Its been tested extensively using my unit on www.radardetectorfourm.org
    https://www.rdforum.org/showthread.php?t=41256


    Last edited by PointerCone; 02-13-2015 at 03:53 PM.

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    Default Re: POP ON and Junk Filter on

    Quote Originally Posted by michaelalex17 View Post
    I dunno...from that video the only thing I took away was that if you have POP on, and it alerts, it is telling you that you have been busted.

    Show a video of it working BEFORE line of sight is achieved, show that it went off, I had time to react before that gun was aimed directly at me, and maybe I'll put up with all the additional falses it brings.

    Authors note: I am in no way holding out that I know what the heck I'm talkin' 'bout. I'm new, and a little knowledge is a dangerous thing. But still...I haven't seen any practical examples of how POP might actually facilitate a successful ticket avoidance. Coupled with (it's my understanding, I stand ready to be corrected) it's somewhat limited use by LEO in general, I don't see how the positives outweigh the negatives.

    Ride safe,

    CR

  9. #9

    Default Re: POP ON and Junk Filter on

    what about what I noted in post #5 ?

  10. #10
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    Default Re: POP ON and Junk Filter on

    Quote Originally Posted by michaelalex17 View Post
    I agree with the risking life comment haha. What about this:POP ON K -121 Responded 100% at time intervals above 100ms 33.8 -112 80% at 67ms, 100% from 100 to 200ms, 20 to 80% from 300ms to 600ms, 100% above 700ms 34.3 -115 0% below 500ms, 50% from 500 to 600ms, 100% above 700ms. 34.7 -115 0% below 300ms, 50% from 300 to 600ms, 100% above 700ms 35.5 -113 0% below 300ms, 50% from 300 to 700ms, 100% above 800ms. These times were based upon 10 tries at each interval of 100ms from 100ms up thru 1 sec. POP OFF K -121 Responded 100% above 200ms. 33.8 -112 Responded 100% above 600ms. 34.3 -115 Responded 100% above 700ms. 34.7 -115 Responded 100% above 400ms. 35.5 -113 Responded 100% above 400ms. Unit would sometimes alert at bursts less than the above during POP OFF mode but not consistently enough. POP attempts with POP ON. 10 random tries at intervals of 10 seconds or more 33.8 67ms 80% 100ms 100% 200ms 100% 300ms 70% 400ms 50% 500ms 20% 600ms 80% 700ms 100% 800ms 100% 900ms 100% 1 sec 100%or this:"I have not noticed a difference vs. 34.7 Ka by running with POP off, but K-band seems to be more consistent with POP on. In POP mode, the V1 is sweeping 33.8 Ka and K band at 5 times the normal rate which gives it a better chance of seeing a weak signal (and in the case of 33.8.......verifying it) before it disappears. I think that at fringe detection range the signal is unstable with irradic peaks above the noise floor.......and so this increased sweep rate can improve detection range. So I would say POP on should theoretically improve 33.8 Ka and K-Band range. Turning POP off would have a much smaller positive effect on 34.7 and 35.5.I'd attach the document but the upload takes an error on this forum.......like everything else. http://www.google.com/patents?id=Uvd...page&q&f=false NOTE: Make sure to scroll to the top of the document when it opens in your browser! Check out Figure #6. That is the basic V1 LO Sweep scheme. Figures 2 & 3 are normal sweep without POP activated and figures 4 & 5 show the sweep pattern with POP active. You will note the (5) mini sweeps for 33.8 and 24.15 (as well as an oversweep looking for LO harmonics) with POP active."
    This looks like M. B.'s lab data that was done years ago. The newer software of the V1 is in a different world. This data is good reading but of no use.......

 

 

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