[TowerTalk] DIY conduit locator?

[Chuck Dietz]

I wonder if something like this would work?

https://www.amazon.com/Generator-KKmoon-Function-Frequency-1Hz-65534Hz/dp/B07ZQLC4P4/ref=sr_1_48?dchild=1&keywords=Rf+Signal+Generator&qid=1603904965&sr=8-48

Chuck W5PR

On Wed, Oct 28, 2020 at 11:11 AM Tim Duffy <k3lr at k3lr.com> wrote:

> Hello Grant:
>
> As far as locating underground coax cables, I have had great success using
> the Elecraft XG-3. I built a "flipper" adapter that takes the output center
> conductor of the XG-3 and flips it on the outside shield for the coax cable
> (the XG3 shield flips to the coax center conductor). Turn the XG3 on and
> use
> 0 dBm output hooked to the flipper and then to the coax under test. I use
> 80
> meters. Then by using a hand held RX (SSB or CW) it is simple at ground
> level to hear exactly where the coax is located. Terminating the far end of
> the coax with a 50 ohm load can improve signal strength, but is not
> normally
> needed.
>
> 73
> Tim K3LR
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of
> Grant
> Saviers
> Sent: Wednesday, October 28, 2020 11:11 AM
> To: 'towertalk at contesting.com'
> Subject: [TowerTalk] DIY conduit locator?
>
> Trying to find a design for a empty conduit tracer.  We've dug at a
> couple of places at the 501c3 where it was "supposed to go", NG.  Seems
> to me this is a simple widget for energizing a test wire in the conduit
> or some sort of mouse - LF or magnetic placed on the end of a snake.
>
> Some googling hasn't found a design so hoping a towertalkian has a
> design or link to one that works.  This 2" conduit was installed some
> time ago at 24" depth but where it routes is now lost.
>
> The commercial tracers are $3000.  My budget is more like $20.  The
> usual AM radio and dongle SDR's are available.
>
> Also interested for when I need it to exactly locate my coax conduits
> before digging.
>
> Grant KZ1W
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