[Mobile-Portable] Question about HF mobile

[Brian K. Gaskamp]

Ok guys another question about this mobile setup of mine.

I put the 706 in low power and Swr is flat, I bump it up to medium or high 
power and swr's go abt 2.3:1...

Why do they do that on high power?

73,
Brian
----- Original Message ----- 
From: "Brian K. Gaskamp" <ka5bkg at sbcglobal.net>
To: "Mobile-Portable Reflector" <mobile-portable at mailman.qth.net>
Sent: Tuesday, July 10, 2007 6:45 PM
Subject: Re: [Mobile-Portable] Question about HF mobile


> Philip that's exactly how I have my Hustler mobile antenna mounted.
> And I am in the middle of the parking lot, there are other vehicles close 
> to me but nothing out of the ordinary, normal size trucks and cars.
>
> The building is about 60-70 ft from where I park.
>
> Now I don't have a mobile tuner...YET, but looks like I soon will, if this 
> keeps up..:)
>
> 73,
> Brian
> ----- Original Message ----- 
> From: "Philip, KO6BB" <ndb_fch-344 at sbcglobal.net>
> To: "Mobile-Portable Reflector" <mobile-portable at mailman.qth.net>
> Sent: Tuesday, July 10, 2007 6:41 PM
> Subject: Re: [Mobile-Portable] Question about HF mobile
>
>
>> Brian,
>>
>> I suspect that nearby buildings or other structures may be detuning your 
>> antenna.  I suggest that you park in a large open space, tune your 
>> antenna for best SWR and then when you're on your lunch break recheck 
>> your SWR at your operating location.  Nearby buildings, power poles, lamp 
>> poles, large vehicles, anything in the near field of the antenna can 
>> detune it.
>>
>> I use the Hustler antennas, mounted at the top lip of my pickup bed 
>> (makes for a tall antenna) and it works very well.
>>
>> 73 de Phil,  KO6BB
>> DX begins at the noise floor!
>>
>> Ten Meter CW Beacon KO6BB/B, 20 Watts 24/7 on 28.248MCs.
>> Merced, Central California,    37.3N  120.48W  CM97sh
>>
>>
>> ----- Original Message ----- 
>>
>>> 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.
>>>
>>> 73,
>>> Brian
>>>
>>> ----
>>> Your Moderator: Dick Flanagan K7VC, 
>>> mobile-portable-owner at mailman.qth.net
>>
>> ----
>> Your Moderator: Dick Flanagan K7VC, mobile-portable-owner at mailman.qth.net
>>
>
>
> ----
> Your Moderator: Dick Flanagan K7VC, mobile-portable-owner at mailman.qth.net
>