[Mobile-Portable] Question about HF mobile

[Brian K. Gaskamp]

Well not going to get a Screwdriver, but will be getting a LDG Z-100 tuner.

I cant stand the sight of a screwdriver much less the price.

73,
Brian
----- Original Message ----- 
From: "Arthur F. Clemons" <n8blk at aol.com>
To: "Mobile-Portable Reflector" <mobile-portable at mailman.qth.net>
Sent: Tuesday, July 10, 2007 7:15 PM
Subject: Re: [Mobile-Portable] Question about HF mobile


>
> ka5bkg:
>> Hello all, I'm new to the list here and also new to HF mobile and I'm 
>> having a problem that has me stumped.
>>
>> I'm running a Icom 706MKII with a Hustler 40m ant on my truck.
>>
>> I can be in front of my house and I get full output on 40m and everything 
>> works great...
>>
>> I check into a 40m traffic net during my lunch break and my power out is 
>> abt 50 watts, and swr is 2.3-1...
>>
>> I just stumped and what could be happening and need some advice, 
>> suggestions, on what I'm doing wrong...
>>
>> Or better yet, what happens to my HF mobile from the time I leave my 
>> house and why it acts like it does once I get to work.
>
>
> There are several possible explanations, first, you somehow could have a
> great ground at home, or something at home like an HF antenna is
> reacting in a favorable manner with your Hustler.  In fact, I suspect
> you likely tuned up your antenna in front of your house.
>
> When you're at work, you could have something, any of a variety of
> things detuning your radiating system.  Other cars, overhead wires and
> the like could be the cause.  Alternatively if you tuned correctly at
> home, the two environments could be entirely different.
>
> Do you have an RF analyzer similar to the MFJ259B or some similar tool?
> If so, you can check you setup easily and quickly at work, at some spot
> well away from anything ala a nice deserted parking lot not near
> overhead wires and then on the job.  I suspect you want to tune up where
> you most use your mobile rig, if you mostly use it at lunch hour, then
> tune up there for a fast solution.  Mobile antennas detune all the time,
> it's not surprising you've discovered this problem, but once again, the
> best solution might be something like a screwdriver which can be easily
> tuned.  73 de n8blk/3
> ----
> Your Moderator: Dick Flanagan K7VC, mobile-portable-owner at mailman.qth.net
>