Page 19 - West Virgina 811 Magazine 2019 Issue 4

alga E gull ax !l=l _ ‘ ‘ :5" 3:’ §§:é‘
{alt 5 as! 5 oh. ' l § lie? ll ”§ uTt§t
Can’t get a good gound? Now what? “'9” 59""
nyune who has been eable travel to the end ot the cable it may be The ,otnted end.-, ztltliuugli possibly
locating for any Iimi: will that you need a devtee that has even a tn.-ulated, will have some eapaettanee
be quick to potnt out a liiglicr ttequeney that you typteally use aetoss the luinl. ustng low frequency
few usetul taets that help to help you on this one. Typteal locate ptpe deleettng teehntques does not
to loeate a eable ot ptpe. These may ttequenetes tend to be in the range of get a good signal path but switching
include 51ZHzlo 3ZkHz.Tl1eoefiequencies lo 48UkHz alluws Lhe signal In |X~Ell'1L‘
_ MW“/‘I I 1 f Y oifex good signal to not.e loeates when: eapoettanee ot the luinl to jump ovet the
A t ‘Y ‘’ ‘M “ “W ‘“q“““°3 guod grounding ts present. Have you tnsulated .eetton.
- Make sute the ltne ha. good eon.tdeted u.-tng sotnethtng In the A V d i Y A V h
continuity range of 48UkHz fol’ poot grounding ~£;”n°’Lh:’“:‘C";';‘l':1l:h mch
.7 , . .
- Make sute that both end. am well ’""“'°"" -I8l)kHz ean be benettnal in many
grounded 50 why -l8UkHz? Well the answer i~ ntciimstancm, but like all good tlung~
M k that at -1B0kHz (lie algtlfll will ”bleed Lhere 13 El dowruide Undenttinding
- a a sum you make a 3004 5t°“"<l off” the cable due to the distributed these ltnutattons can still allow the
“°""“°“°" eapaettanee of the eable to ground. uset to appteetate the benefit. of high

1-1,“ m in good ,uggC,,,Om, but Thete's no need to go intulcxpltinaliuns frequency loeale tones. The two main
We pmw am we ,, not away. 50 o}: \’\l"‘}'Ia1[r‘[l\l:l,‘|S,il3|.I[ .utttee Lt to say— elownstdes are:

simple Tt1k2,ft.trimIance, the Lltird ‘ 9 ‘S “Y L‘ ‘”‘~"1“°"5,Vr‘ 1‘ Ema“! , ‘
.tgge...oa~nate.tn botliendoam «1«e~ee«m~ New-s1«e:p.w-«la :3fglggrgjjgjyghg?{;;;;;§;:‘;§;;§f‘"
“'°“ E"’““d°“‘7' M“"Y °“b‘°’ Wl” ““$"’““d°d °"b'°’ b“""’: ‘M d ean al.-ogre.-ult in a "bleed on" etteet
not be grounded at the rat end (or the capantanca Heat“ a sort 0 Psw a so I’ ’ . 1 , . .1

hr mnin fa, ma, mam , A 1 m gxound that allows the signal In pass ’° ““‘“E “'5” °“"‘““ ‘““’* ‘"3

a .§w M5,“, §|g“fl] .uZ,1.J’.'§,.’E,§ non (lie Conductor into the ground ”"°"5l' “W %'°""d my W1" a "dc

_ . . on ullier uttltttes, resulting in tnulttple

,_},c,.c nlmmamnm, can be fmmm, and so completes Il'1E circuit back to the .1 Hal ad“ Thflc ‘End to be ‘miner
For example, .hon telephone drop. to a transrmttet» Usmg Ll-C 48lll<Hz made ~.i5nalf’~u c’mM [mun lcdmi uh
Pmmgse mu probably "9. gm gmunded, helps d£IL\(lIl'1L‘~E shott, uneanlied ml; ht’! mdmmv um Klimt! cl *
pol ended cables that have been tabla dml» P V '
lenntnated beeau.e they are no longei “M H ml ‘ht end of ‘ht W“, a’ 2) A. the stgnal will ”bl2cd on" over the
rcquugd 9, because [hgy have been lnmt mmz cm am be A gml MP m entue length ot the eable, the dtslanee
|n anticipation of being u.eel later ate dmmng “NE, W, mm P,PE,,,,c,_ the signal Wlll travel altms tlta Cable
also not llkaly 10 lm gm“nda<l- Many of these ptpehne. will liave F" PW“ “"" 5° ':“;'l‘l;“" :2“; “‘ “[1”;
[f mm ,, no gmund, 0, ,1“ gmundmg tn.ulated ]oinL~. This eleetneal '°‘l“‘““> “'3” * “‘“’“Y ° “° “ _
h pool’, making a good gzound tn.-utalnn maybea result uicormding ::‘::;f;‘flg‘::::’ :f1::“:‘“§3l;°°:::I“‘;’:‘;m
mnnmm, N am RPPIIEHIIOH pm,“ and lamb and nuts and bolts, 0! beeause the »mem> . 5 s -
eheelong for continuity ts not going saalmtz matmal usml 10 lam ll-C lallx's P ’ ‘

to help mattets as thete is nowhere can rmatc an msulatwl l°l“l» Ettlmr Wain Ifyuu haw qltesliutls U1 Eurrirnctlfs alum!
to, 11“ ,;gm; [0 km; to ,; mm .5 no tht. t. bad news tot someone trying Hll5 arlirlc Dr related tap/es, fcclfrce fu
gmmd a, pm fa! End, WE Shaun use R to eleteet the position of the ptpeltne rum/14'! stem at.

different teehntque to gel the stgnal to Capafltwt‘ affects llalla ltata also ,

5t‘('tIe.Iletlzl('('I3vXlti;‘ mm.
2019 Issued WesrVlfglrvl:E11 .17