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Re: [Amps] VHF all-mode and DC-to-daylight rigs

Subject: Re: [Amps] VHF all-mode and DC-to-daylight rigs
From: Gary <gary_mayfield@hotmail.com>
Date: Thu, 5 Jan 2017 21:28:21 +0000
List-post: <amps@contesting.com">mailto:amps@contesting.com>
With amps or VHF/UHF radio I have always wanted to see a weather proof  black 
box to mount at the antenna and then a control panel/power supply for the 
shack.   

73,
Joe kk0sd 


Sent from my iPhone

> On Jan 5, 2017, at 1:19 PM, Catherine James <catherine.james@att.net> wrote:
> 
> Manfred Mornhinweg <manfred@ludens.cl> wrote:
> 
> Cathy wrote:
>>> I have seen many, many online posts asking for an all-mode VHF/UHF
>>> rig that doesn't include HF.  These used to be available, but have 
>>> disappeared.
> 
>> Such rigs appeared on the market at a time when there was a growing 
>> swarm of active ham satellites in orbit.
> 
> This is a good point.  I don't do satellites; I use these radios for 
> weak-signal VHF
> terrestrial via tropo propagation.  Everyone I know who is active on VHF/UHF
> non-FM is either doing tropo or meteor scatter.
> 
> My IC-821H was clearly designed for satellite work, but that's not why I 
> bought it.
> 
> For weak-signal usage, you want low noise figure and high sensitivity, but 
> you really
> don't care about dynamic range.  You are unlikely to have a strong signal
> next door to desense your rig.  There is plenty of bandwidth and few signals.
> 
>> being pushed aside by private and institutional Cubesats posing as ham sats.
> 
> I am very unhappy about this.
> 
> I do hope that with the launch of Phase 4 and geostationary communication
> on 5/10 GHz, we'll see a new era of ham satellite usage.  I know several local
> hams who are interested in building the 5/10 GHz ground station.
> 
>> Since there are no really usable sats, there is no demand for VHF/UHF SSB 
>> operation
> 
> Your club doesn't do weak-signal tropo VHF?  That's too bad.
> 
> 73,
> Cathy
> N5WVR
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