[NLRS] VHF during Field Day? What our your plans?

[Dr. Gerald N. Johnson]

If the 2m and 70cm PAs have working preamps, it would be practical to 
insert power attenuators for those band. The easiest attenuators would 
be lengths of RG58 or RG174 coax. 7 dB loss needed which the preamp will 
make up on receive. RG58 supplies about 6 db per 100 feet at 2m and 
about 11 dB per hundred feet at 432.

Had you been at Aurora and bought my Mirage A1015-G you could set the 
847 output to 10 watts and had power on all three bands. I'm now 
thinking that if I get the three 4CX250Bs running from the W0PFP station 
they won't need more than 10 watts drive so I might want to use the 
A1015-G for ordinary operations in the 100 watt range.

73, Jerry, K0CQ

On 5/14/2013 4:18 PM, tosca005 at umn.edu wrote:
>
>
> W0JT plans to run the VHF/UHF/Satellite station for the Twin Cities
> Repeater Club (TCRC) in Burnsville, MN, under the callsign of W0BU. We
> plan to bring out 6M, 2M, and 70cm. Last year, we caught no 6M eSkip and
> we had a problem with our new mechanical setup that caused a pinched 2M
> feedline that was not discovered until teardown. Hence we made virtually
> no QSO's on 2M, and made no successful satellite QSO's last year. This
> year we hope to be a bit more careful with the positioning of the
> feedlines and have all three antennas effectively connected to the
> radio(s). If I am going for KISS, I will bring out the FT-847 and no
> external amplifiers, giving 100 watts on 50 MHz and 50 watts on 144 and
> 432 MHz. If I am a bit more ambitious, I will bring amplifiers for 2M
> (150 watts) and/or for 70cm (100 watts) but the problem is that the
> FT-847 has only one power control knob, and turning down the 2M power to
> 10 watts to prevent overdriving the 2M amplifier also turns down the
> power to 10 watts on the other bands, so it requires quite a bit of
> finesse to prevent blowing up an amplifier or accidentally operating QRP
> instead of QRO.
>
> It is also possible I will bring out 222 MHz just to get some practice
> for the January VHF contest when I plan to be a 4-band rover in Texas.
> Time will tell. But I don't expect many points to come from that band on
> Field Day.
>
> John
> W0JT/5
>
> On May 14 2013, Jim Froemke wrote:
>
>>
>>
>> We can only hope for better 6 meter propagation this year during field
>> day
>> (June 22 & 23). So, who's-in with what bands and where will you be
>> located?
>>
>>
>>
> Recently, I've noticed that those with a casual exposure to 6 meters
> (during
> field day) have in many cases added 6 as one of their primary bands at
> their
>> home QTH. But, had it not been for badgering them to operate a shift
>> at the
>> optional VHF FD station, they wouldn't have gotten interested. It's just
>> another example of: "Activity breeds activity!"
>>
>>
>>
>> We'll need to be creative about activity on 2 meters during field day
>> as we
> can't count on an opening. But, we can look for each other's field day
> sites
> if we know about your operation. So, make some chatter on this reflector
> and
>> let us know what your tentative plans are (subject to change).
>>
>>
>>
>> I'll be with the Alexandria Radio Club again running the combined GOTA
>> and
>> VHF station. More details to follow as I haven't been to a planning
>> meeting
>> yet.
>>
>>
>>
>> 73, Jim
>>
>> K0MHC
>>
>> "Make some RF noise!"
>>
>>
>>
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