On Oct 28, 11:04*am, Jay in the Mojave wrote:
Hello Jim:

Yeah 18 feet seems top work well in a mobile installation. Why is that?

Is it because the antenna puts RF Energy on the coax outer shield due to
a lack of ground surface. In all my antennas installs it seems that way.

So 18 feet of coax is roughly 3/4 of a wavelength, ( with a velocity
factory of .66) and any RF Energy coming back will have to come back
thru another 3/4 wavelength of coax.

Maybe that length vs wavelength is the best to use. Your comments....

Jay in the Mojave

jim wrote:

* Feed length 'does' make a difference



when calculating swr - Hide quoted text -

- Show quoted text -

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SEARCH ID SEARCH CRITERIA IDENTIFIER STATUS
3930206 Chapman,Randall CCH/NBF/SOR [9 results.] VIEW DETAILS


RESULTS FOR 'CHAPMAN,RANDALL '
Search ID 3930206 Back to Top
NAME DPS NUMBER SEX RACE DATE OF BIRTH CCH SOR NBF
CHAPMAN,RANDOLPH WILLARD 05388013 MALE WHITE 03/22/1961 VIEW


CHAPMAN,RANDOLPH WILLARD (SID: 05388013)
SEX RACE ETHNICITY HEIGHT WEIGHT EYES HAIR COLOR DL NUMBER FBI# DLU
MALE WHITE 508 195 BROWN Brown 10/26/1995
NAMES CHAPMAN,RANDOLPH WILLARD (Primary)
CHAPMAN,RANDY

BIRTHDATES 03/22/1961 (Primary)


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01/16/1995 A 0007369727 TEXAS CITY PD View


Arrest Date: 01/16/1995 Arrest Summary


DATE OF ARREST 01/16/1995
SEQUENCE CODE A
TRACKING NUMBER 0007369727
AGENCY DESCRIPTION TX0840900 ( TEXAS CITY PD )
CHARGE
TRACKING SUFFIX A001
OFFENSE DETAIL
INTERNAL AGENCY PERSON NUMBER 020130
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ARREST OFFENSE 35990014 ( POSS CS PG 1 1G )
ARREST OFFENSE CITATION 481.115(b)
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DATE OF OFFENSE 01/16/1995
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ARREST DISPOSITION DATE 01/16/1995
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GALVESTON )
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AGENCY DESCRIPTION TX084015A ( DISTRICT ATTORNEYS OFFICE
GALVESTON )
PROSECUTOR ACTION FIELD A ( PROSECUTOR ACCEPTS THE CHARGE )
PROSECUTOR OFFENSE 35990014 ( POSS CS PG 1 1G )
PROSECUTOR OFFENSE CITATION 481.115(b)
LEVEL AND DEGREE PROSECUTED FS ( FELONY - STATE JAIL FELONY )
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COURT SEQUENCE a
AGENCY DESCRIPTION TX084035J ( 122ND DISTRICT COURT GALVESTON )
COURT OFFENSE 35990014 ( POSS CS PG 1 1G )
CITATION 481.115(b)
LEVEL AND DEGREE OFFENSE FS ( FELONY - STATE JAIL FELONY )
COURT DISPOSITION 312 ( DEFERRED )
COURT DISPOSITION DATE 09/21/1995
DATE OF SENTENCE/STATUS 09/21/1995
CAUSE NUMBER 95CR0800
FINAL PLEADING G ( GUILTY )
COURT PROBATION 4Y
COURT FINE 200
COURT COSTS 157
AGENCY RECEIVING CUSTODY GCCSCD