Very anxious to hear the results.
From: Carl Peterson
Sent: Friday, December 30, 2022 9:05 AM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Underground Locating units
I ordered a smaller metrotech D18 33kHz sonde and a vSCAN locator which says it
supports 512 sondes (- Sondes: 32.768kHz, 512Hz and 640Hz Sonde modes). I'll
update with how it works with the D18 and the sewer sondes. If we end up
buying a longer sonde I'll do a side by side with them.
Thanks for everyone's input on this. I'm sure I will wish I bought a RD7200 at
some point but hopefully this will get the job done.
On Thu, Dec 29, 2022 at 5:32 PM Chuck McCown via AF <af@af.afmug.com> wrote:
You might need a locator that matches the frequency of the flushable beacon.
From: Carl Peterson
Sent: Thursday, December 29, 2022 3:40 PM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Underground Locating units
Thanks Chuck. I ordered a few flushables for shits and giggles. We have a
bunch of 4" ducts we need to trace ASAP. I'll look at ordering a 12" Leica one
or the 17" D23 if it isn't too expensive.
On Thu, Dec 29, 2022 at 4:27 PM Chuck McCown via AF <af@af.afmug.com> wrote:
The flushable beacons I have played with are pretty wide for 1.25” conduit.
I am sure the longer sondes will transmit a greater distance.
From: Carl Peterson
Sent: Thursday, December 29, 2022 2:42 PM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Underground Locating units
The leica duct sonde 33 (12") is $440. It obviously isn't the same as a
HDD sonde but I wonder if the longer antenna coil would help. There are also
sondes like the Metrotech D23 which is a flexible sonde: 0.9" x 17.3" (23mm x
456mm).
Am I flushing money down the toilet? Should I just buy a few $35 flushable
sondes and tie them to the end of my duct rod?
On Thu, Dec 29, 2022 at 2:25 PM Chuck McCown via AF <af@af.afmug.com> wrote:
Those systems start at $12K on up for new. And the sondes are pretty
large. Yes they would work better if you are rodding 1.25” duct or larger.
They also will not take corners like a shorter beacon.
From: Carl Peterson
Sent: Thursday, December 29, 2022 8:24 AM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Underground Locating units
Thanks Chuck, Do you think a 12" duct sonde might work better? I am
going to need to try to find an adapter to connect it to my rodder.
https://shop.leica-geosystems.com/buy/accessories/duct-sonde-33
Steve,
I've seen the flushable sondes and wondered why they cost $35 when the
regular ones cost $400 to 1K+. Can't seem to find them in 30kHz or 640hz which
is what our existing 150R locator says it supports.
On Wed, Dec 28, 2022 at 7:00 PM Steve Jones <thatoneguyst...@gmail.com>
wrote:
theres septic sondes you can use for rodding
On Wed, Dec 28, 2022 at 3:55 PM Carl Peterson
<cpeter...@portnetworks.com> wrote:
Speaking of Sondes... I am looking for something I can put on the
end of my conduit rodder. Its a 5/16th Condux with 3/8 UNC male threads.
Assuming I source a sonde / beacon first and then find an adapter?
On Wed, Dec 28, 2022 at 3:34 PM Chuck McCown via AF <af@af.afmug.com>
wrote:
Most boring uses a sonde transmitter.
From: Josh Luthman
Sent: Wednesday, December 28, 2022 1:44 PM
To: AnimalFarm Microwave Users Group
Cc: Chuck McCown
Subject: Re: [AFMUG] Underground Locating units
The ViperMag is an underground cable locator. I used it for our
bore attachment on the SPX25. Metal is metal is metal.
On Wed, Dec 28, 2022 at 3:38 PM Chuck McCown via AF
<af@af.afmug.com> wrote:
Drilling locators are a total different beast than underground
cable locators.
From: Josh Luthman
Sent: Wednesday, December 28, 2022 12:31 PM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Underground Locating units
Carl,
Our favorite locator is the ViperMag. I think it was ~3000
retail. As to its accuracy, based on my one time usage last week I spotted the
drill sticks 100% and got the distance within inches. My locator tech says
it's 100x better than the old one when there's noise (nearby other utilities).
On Tue, Dec 27, 2022 at 6:21 PM Carl Peterson
<cpeter...@portnetworks.com> wrote:
How about this one? Not sure what the new price would be.
https://www.ebay.com/itm/225308461851?hash=item34756e4b1b:g:1Q4AAOSwsQpityvJ&amdata=enc%3AAQAHAAAAoGDhdpMkHwHcr%2BvCGwtdhgoKuhWkl29e3dky%2FBRCjSbcavCSO%2FxS%2FOj3ur8IMQrLU9nTSS5jxh1tGbzExnZkLl0ByukyENiu4m%2BjhsDyyBTYdqpHctfm3wplh6OljUR5p2r52f0ADK56LGN4R3c3XaKY8Jiv9Z0pQI4qClIVyOcGYD3Us3yHVvj3gtrWqqaeKNhiHdquQ9vLEuuTiiRWQvY%3D%7Ctkp%3ABk9SR-TFtduqYQ
On Tue, Dec 27, 2022 at 5:18 PM Chuck McCown via AF
<af@af.afmug.com> wrote:
https://www.ebay.com/itm/295441271797?hash=item44c9ac0bf5:g:FygAAOSwHUFjq0Fi&amdata=enc%3AAQAHAAAA8EoM%2BACrrWy8doADxOvuYO6McooUnEQT32vIgmMCHxSNW7AFx45Ldlayxo1UF19OgeMhNeiXhx6aeua%2FVkOuaMh276DpXIFBRYOW6ZIHNDHI28906bMAomYZI8WsZJ%2Bze0pJtR1BsN7p7rVxkOUgvBwHQnbPRMW2etIqpj%2FAebmujtKv6pJsoyFexvukHQPKXGZDJB0OxJBapGnHc89pM7aeZtYBRxXE87946w1wr1Dl%2BoKiZI4mbQaCcAV%2FnOr8eRwqRkoApcPdjSO%2B%2FwYN%2FIqi%2BZnoXwN6jDfU420OM07xHxOsQBd0U4rkjQanZcsb0Q%3D%3D%7Ctkp%3ABFBMovD-3aph
From: Carl Peterson
Sent: Tuesday, December 27, 2022 4:14 PM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Underground Locating units
Thanks Chuck,
That helps, I think. I'm at the point where I just need to
make a decision but 4K isn't enough to make the decision I want to make.
On Tue, Dec 27, 2022 at 5:07 PM Chuck McCown via AF
<af@af.afmug.com> wrote:
Most if not all of them locate the signal based on current
flowing on a conductor. So you put a signal on a trace wire or cable shield.
Ground the far end. The transmitter is connected to the cable and a ground
rod. That flow of signal sets up the magnetic field and that is what the
locator works off of. If you have trace current then all of them will do a
good job. The type of soil doesn’t make much difference. The super cheap ones
will find it as easy and the super expensive units. Finding a reliable depth
is more difficult. The only brand I have every used where I could trust the
depth was a Metrotel. But even the cheapest unit can find depth by locating a
null, orienting the pick up coil at 45 degrees and then finding the null off to
the side of the of the cable. Distance from the center null to the side null
is the depth.
The higher the power the farther you can locate. But that
just means you don’t have to move the transmitter so much. In my experience I
am generally within a quarter mile of the transmitter or less and all of them
will do that distance.
Some of them will also passively locate 60 cycle power.
Some of them locate based on radio signals picked up by wires and pipes and
re-radiated. I have had limited success with that on high pressure gas.
Many of them have an RF mode where you connect to some
object to track but the far end is not grounded. So you just have a capacitive
coupling between the thing you want to locate and the earth. Not much current
flows so you do not get much distance. For example a fish tape down a plastic
duct is located this way. But you will only get dozens or perhaps hundreds of
feed if you are lucky.
Multiple frequencies have their uses. Older units were
down in the audible range like 800 Hz. You can go a very long way with those
frequecies. But they also bleed off to other cables and pipes. Higher
frequencies are better to get finer resolution but they do not transmit as far.
82 or 84KHz is a popular frequency.
Some brands put a coded signal out so only their receiver
can pick up the signal. Rycom is one of those.
From: Carl Peterson
Sent: Tuesday, December 27, 2022 3:30 PM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] Underground Locating units
Thoughts on a used R7200 off of ebay vs something like a
new Ridgid SR-24? Trying to do this with a 4K budget. Is a locator either good
or bad or is there a middle ground where they don't work well.
On Thu, Dec 8, 2022 at 3:30 PM Steve Jones
<thatoneguyst...@gmail.com> wrote:
there is also the vermeer lin of locators. massive
option set, LM42 is pretty efficient and can find most things in the ISP
domain. SPX25 is good for locating shallower thing. stuff like the 10x15 or
20x22 utility locator are surprisingly accurate for it having to be pretty
pinpoint. But if you really want to be certain about finding the utilities on a
smaller ISP budget, youd want to look at Bobcat brand locators, those will find
everything.
On Thu, Dec 8, 2022 at 3:17 PM Carl Peterson
<cpeter...@portnetworks.com> wrote:
Any consensus on locators? We need to buy a new one
too. The only one I really know is the T5. We don't do a ton of locates so it
doesn't need to be too high end.
On Fri, Dec 2, 2022 at 2:34 PM Jason McKemie
<j.mcke...@veloxinetbroadband.com> wrote:
I'm looking at getting one of these:
https://www.ridgid.com/us/en/sr-24-line-locator-with-bluetooth-and-gps
On Fri, Dec 2, 2022 at 8:59 AM Nate Burke
<n...@blastcomm.com> wrote:
I'm looking to pickup a 2nd locating unit. Without
visiting a bunch of
websites and wading through tech docs, does anyone
have
recommendations? USIC around here uses a blue
unit, but they're always
so covered with spray paint I can't see the
name/model. We have an
Amprobe AT-3500 today. Looks like Amprobe has a
newer model out, that's
cheaper than the AT-3500
Mainly need to locate either a tracer wire
(alligator clips) or
traceable fiber (Clamp)
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