[NLRS] What's the problem with UHF (& microwave) contesting?

Shaffer, Sam Sam.Shaffer at sbdinc.com
Sat Mar 12 13:38:59 EST 2016


I have IC-375a + amp on 222 and IV-1275a + amp on 1296 also 432 but never hear much anymore other than the same couple stations, and never at random, CQ etc.  Not like the old days.

Sent from my iPhone 5s

> On Mar 12, 2016, at 8:11 AM, Karl Heil <towers at mhtc.net> wrote:
> 
> 
> 
> 6- 1.2 all way up this am.  No one on SSB or CW.....just FM stations.
> 
> Karl
> WD9BGA
> EN53
> 
> -----Original Message----- From: Zack Widup
> Sent: Saturday, March 12, 2016 1:26 AM
> To: Glen Overby ; NLRS List
> Subject: Re: [NLRS] What's the problem with UHF (& microwave) contesting?
> 
> 
> 
> I looked at the schematics for these transverters, and they are far from
> state of the art. You've confirmed my suspicions.
> 
> My homebrew transverters are very clean, but I use a lot of filtering.
> 
> 73, Zack W9SZ
> 
> 
>> On Fri, Mar 11, 2016 at 9:14 PM, Glen Overby <gpoverby at gmail.com> wrote:
>> 
>> 
>> 
>> On Fri, Mar 11, 2016 at 6:06 PM, Mary Brown <maryalanab at gmail.com> wrote:
>> 
>> >
>> > Cheap way to get on 144, 222, 432 for those who only have an HF rig
>> > http://transverters-store.com/ 144 & 222 are $75 432 is $95, sure you
>> need
>> > an amplifier stage after these if you want more than qrp but it will get
>> > you
>> > on the higher bands... they are around 3 watts out. They sell an
>> attenuator
>> > board also. Add some switching from attenuator to the transverters and
>> you
>> > have 3 bands in a box. If enough people ask they may add 902 and 1296!
>> >
>> 
>> I have two of these transverters: 50mhz and 144mhz.  I put the 2m
>> transverter on my spectrum analyzer and looked at the output; at full
>> power, it is HORRIBLE!  Spurs were close in enough that there was no way I
>> was going to filter them.  They were better at low power levels, but I
>> don't know how much of that would return if it was run into an amplifier.
>> I didn't try it.  They now sit in a junk pile.
>> 
>> Glen, kc0iyt
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