[SixClub] [AR52MHZ] RE: Best 6m Mobile Antenna?
donroden at hiwaay.net
donroden at hiwaay.net
Sat May 29 11:08:56 EDT 2010
You would see a figure eight pattern much like a dipole. Great if the
other station is in the main lobe, but bad if in the null. You could
always find a parking lot and drive in circles until you found the peak.
DOn WA4NPL
Quoting kd4e <doc at kd4e.com>:
> What might one see from co-phasing a pair of 6m
> mobile verticals (side by side vs the problematic
> vertical stacking)?
>
>
>> You cannot run a GAIN antenna on lowband VHF (6m) unless you want it to hit
>> any branch, wire, etc (and Im not talking low lying)...
>> A 5/8wave on 6m (which is a good stacking distance on horizontal antennas)
>> is a 1/4wave on 15m!!!!! Think about it.....
>>
>> On 6m a single loop like a Halo or Squalo or PAR OmniAngle will work for
>> most decent SSB work.....of course if you could get it where its 54inches
>> off the roof line, you would be ok...Of course when the band opens, who
>> cares... A Larsen NMO150 works real good on 6 and covers the entire band (I
>> have the SWR readings to prove that ;)
>>
>> As for FM, if you plan to run FM, I suggest a radio with a WORKING Noise
>> Blanker like a commercial lowband rig such as a Midland SyntechII, etc...the
>> only amateur rig for 6m only that has a NB that works ON FM as well as SSB
>> is my FT690R...the 680R may do the same but I have never had my hands on
>> one...
>> MOST late model FM ham gear on 6m do NOT have Noise Blankers...and
>> regardless of what their engineers may say, FM DOES need a Noise Blanker (IF
>> you don't, then WHY does the VX6000 Vertex Standard (Yaesu's parent
>> company!) have a WORKING NB in it?????? DUH!!!!
>>
>> Gain is good for the home station but on the mobile station, you cant do it
>> on 6 unless you want to take out the street lights, etc ;)
>> For "local" 6m SSB coverage, you want to be horiz.....if the band opens, it
>> doesn't really matter....
>>
>> Chris
>> WB5ITT
>>
>>>
>>> I'd like to discover what y'all have experienced
>>> and/or heard to be the best 6m mobile antenna.
>>>
>>> I am talking something with gain, perhaps dual
>>> verticals or stacked 1/4 wave delta loops, or ...
>>>
>>> Also, given all of the noise when mobile - from
>>> the vehicle and from everything around it - is
>>> FM really a preferred mobile mode for 6M?
>>>
>>> --
>>>
>>> .Thanks! & 73, doc, KD4E
>>
>>
>>
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>
> --
>
> .Thanks! & 73, doc, KD4E
> .Have an http://ultrafidian.com day!
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