----- Original Message -----
From: "j.a.hermans" <j.a.hermans@skynet.be>
To: <w2up@mindspring.com>; <towertalk@contesting.com>
Sent: Wednesday, February 05, 2003 9:08 PM
Subject: Re: [CQ-Contest] RE: [TowerTalk] coax cables
>
> ----- Original Message -----
> From: "Barry " <w2up@mindspring.com>
> To: <towertalk@contesting.com>
> Sent: Wednesday, February 05, 2003 7:10 PM
> Subject: Re: [CQ-Contest] RE: [TowerTalk] coax cables
>
>
> > I've had excellent success with PL-259's. Prior to scewing on the
> > assembly, I LIGHTLY tin the braid and center conductor. This allows
> > the solder to flow very well. I've been using a Weller gun 100/140W
> > (now 30+ years old) with great success.
> >
> > N connectors are another sotry. Maybe it's because I rarely use them,
> > but I always have trouble getting it to screw together. Seems that
> > rubber spacer is too wide. If anyone can tell me what the problem is
> > there, I'd appreciate it.
> > Barry, W2UP
>
> Take care on the coax diameter, and use the right N. Each cable type has
> his own connector type.
> Spending less $ or ? for coax connectors is not a good decision Barry.
> And be aware of VENDORS who sell coax connectors like chewing-gum. The
> latter you can chew it couple of hours and then throw it away. A coax
> connector should be chewed a couple of years .....
> About solder, There is the same criteria. different temperatures for
> different solder types for different applications. More, very often its
> preferable not to solder at all, a good mecanical contact ( if possible)
is
> even better in most cases .
> But maybe this is only professional talk...... after all arent we just
> amateurs.............!!!!!!
> Sorry guys thats the way I think it is and should be.
>
> Jos on4kj
>
> On 5 Feb 2003 at 9:18, j.a.hermans wrote:
> >
> > >
> > > ----- Original Message -----
> > > From: "Steve Katz" <stevek@jmr.com>
> > > To: <discreetly_confidential@yahoo.com>; <towertalk@contesting.com>
> > > Sent: Tuesday, February 04, 2003 9:51 PM Subject: RE: [CQ-Contest] RE:
> > > [TowerTalk] coax cables
> > >
> > >
> > > >
> > > > Hi Chuck,
> > > >
> > > > I don't know who Paul is (my name is Steve) but I think this was
> > > > directed towards me.
> > > >
> > > > I agree with you. Any time I see someone using a soldering "gun"
> > > > for a PL-259 installation, I cringe.
> > > >
> > > I agree.
> > > Assembling and soldering a PL should'nt be done elswhere then in a
> > > workshop, with adapted tools. A few hundreds one after an other in the
> > > ideal conditions is OK. It's a very critical operation if you dont
> > > want cold solder which break at the first occasion, or burned joints
> > > which have a transfert resistance of a few M ohms .........Soldering
> > > guns !!!!!!!! throw them away, you will be unable to control the right
> > > temperature. Use a N type, sure you will have better results for
> > > years. By the way, nowadays one can find PL to be mounted as N-type. (
> > > at least in Germany ). Have been in charge of ANGRC and other military
> > > production for a couple of years in the late fiftees.......
> > >
> > > Jos on4kj
> > >
> > >
> > >
> > > > 73,
> > > >
> > > > Steve, WB2WIK/6
> > > >
> > > > > Paul,
> > > > >
> > > > > You hit the nail right on the head solidly and
> > > > > quite soundly.
> > > > >
> > > > > The operative word is 900W iron!
> > > > >
> > > > > HEAT HEAT HEAT!! Raise the mass of metal to the
> > > > > operating temp QUICKLY and then do the job. Too
> > > > > may hams use a 125W gun and wonder why it takes
> > > > > forever and they burn the coax, melt the
> > > > > dielectric and short the inner to the outer
> > > > > conductor!
> > > > >
> > > > > I work in MiL Quality world and I inspect this
> > > > > stuff on a daily basis aside from being NASA
> > > > > solder certified and nuclear industry solder
> > > > > certified.
> > > > >
> > > > > HEAT HEAT HEAT!! Nothing beats a GOOD PROPERLY
> > > > > sized gun/iron!
> > > > >
> > > > > Huzzah for the excellent post!
> > > > >
> > > > > 73
> > > > >
> > > > > Chuck k3FT
> > > > >
> > > > > Give me that Old Time Mil-STD-454 requirement 5
> > > > > anytime!
> > > > >
> > > > >
> > > > >
> > > > > __________________________________________________
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> > > >
> > >
> > >
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> >
> > --
> > Barry Kutner, W2UP Internet: w2up@mindspring.com
> > Newtown, PA Frankford Radio Club
> >
> >
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> >
> >
>
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