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Thread: so many frequencies...

  1. #1
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    Default so many frequencies...

    In my first year of locating, I used a locator that only used 2 frequencies (33K, 131K). I recently started using a V-Loc3 which has MANY frequencies. I like using 8K in congested areas to limit bleed-off, and when I need to locate longer distances or encounter cast/flanged piping, I kick up to 131K. Still, I have MANY frequencies available with my new equipment, and I don't know how or when to use them. The other frequencies that are set up (dealers recommendations) on my V-Loc3 that I am not using are: 65K, 83K, 200K, and 512Hz. When should I be using these frequencies?

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    Default Re: so many frequencies...

    General rule use the lower frequencies for long distances or less bleed over. I never got much success with 512HZ.

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    Default Re: so many frequencies...

    with many years of using all the frequencies , you will come to learn the ones that you like on what utility . I agree with PL , lower freq. go with long distances and less bleed over . I also do NOT like 512 or any other HZ only signal . 1 or 3 KL is the lowest I will locate with. and 83 is the highest I will go .
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    Default Re: so many frequencies...

    I use 640mz most of the time but as yahoo said use what you feel good about. Lower freq will bleed over less and travel farther. Higher freq for big pipes and things like lead phone cable that dissipate the signal faster.

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    Default Re: so many frequencies...

    7 is my go to. 33 when theres no congestion. 88 when I need to backfeed.
    512 blows

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    Default Re: so many frequencies...

    By backfeed do you mean, for instance in the case of comm-ped, inducing signal far away from pedestal in order to locate cable near ped?

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    Default Re: so many frequencies...

    Thanks for the input folks!

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    Default Re: so many frequencies...

    Quote Originally Posted by WNC Utility Locator View Post
    By backfeed do you mean, for instance in the case of comm-ped, inducing signal far away from pedestal in order to locate cable near ped?
    Sometimes, for an assortment of reasons, you cant direct connect to an access point. I have often had to find another point, crank it up to 83 and follow the signal up a service to get my marks. Since im trying to force a signal upstream to an end point, it takes extra juice to push your signal. It can jump.very easilly so be careful.
    I dont like to share too many tricks with new guys because if you dont have an experienced feel for your signal, they can backfire on you.
    Wait till you have some spare time to practice on a known line before you mark anything youve never hooked up to before.

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    Default Re: so many frequencies...

    512hz always seemed to have a lagging effect for me. I use 640hz for most things.

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    Default Re: so many frequencies...

    On direct connect I start out at 491HZ with Signal Select and then bump up to 982 HZ then I use 8K and then 33K after that I usually just jump to 200k. The time of year though plays a big roll because at the end of summer the ground is so dry.

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    Default Re: so many frequencies...

    Quote Originally Posted by Cuda View Post
    On direct connect I start out at 491HZ with Signal Select and then bump up to 982 HZ then I use 8K and then 33K after that I usually just jump to 200k. The time of year though plays a big roll because at the end of summer the ground is so dry.
    I carried a soda bottle filled with water to wet the earth around the ground rod.
    yahoo likes this.

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    Default Re: so many frequencies...

    I'll try this recipe... Since I got 8K, I've been starting with that b/c it seems to always do the trick. I've only had the new unit for a couple months now, and haven't really gotten into anything too complex yet. Thanks for the input!
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    Default Re: so many frequencies...

    8 will prolly be your end up go to frequency . Everyone loves 8 K .
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    Default Re: so many frequencies...

    8K works great, but when you have a ped with multiple cables in it, I have found that a lower frequency is the only way to isolate them to find each of them.

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    Default Re: so many frequencies...

    Quote Originally Posted by alsoran17 View Post
    8K works great, but when you have a ped with multiple cables in it, I have found that a lower frequency is the only way to isolate them to find each of them.
    8k works in peds fine but you have to unbond if you want to isolate. Rebond when youre done and let the boss gripe because using proper proceedure takes longer.
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