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Group Information

  • Members: 708
  • Category: Weather
  • Founded: Dec 19, 2003
  • Language: English
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Description

This is the official group is for subscribers of the Group for Earth Observation (GEO). Membership of the group is limited to those who want to exchange information relating to either GEO or earth observation satellites. Postings may be moderated. Whilst you may find out information about GEO on other groups, this group is always monitored by the GEO steering group, and they will probably reply to your questions. For specific/personal issues please mail the steering members directly. Contact information is on the GEO web site. All list and GEO Membership enquiries to members@geo-web.org.uk

Most Recent Messages

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Re: John Silver's preamp
In message <46126ADF0D65422A9BF4E8F734E30AEC@Alta> "David J Taylor" <gm8arv@...> wrote: Barry, the notch filter I built is described here:
Posted - Tue May 21, 2013 8:09 pm
Barry Smith
rishtonite
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Re: John Silver's preamp
The the notch filter hardware is done, I tried one stage, but the pagers blasted right through it. I've not devoted the time to connecting up all 4 cells with
Posted - Tue May 21, 2013 8:09 pm
Andy Eskelson
g0poy
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Re: John Silver's preamp
From: Barry Smith [] Did you finish your high Q notch filter? We emailed a couple of years ago but with one thing and another (at my end) the emails dried up.
Posted - Tue May 21, 2013 7:24 am
David J Taylor
gm8arv
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Re: John Silver's preamp
In message <20130520193445.72f53a5d@Workstation-12-2> ... Thanks for the info Andy. The problem I had with my nephew's resistor pack was the heatsink. Very
Posted - Tue May 21, 2013 5:02 am
Barry Smith
rishtonite
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Re: John Silver's preamp
That's not always the case. Quite often solder used for surface mount reflow use has a fairly low melting point The simple approach is to snip the legs off
Posted - Mon May 20, 2013 8:06 pm
Andy Eskelson
g0poy
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2013 64 65 72 40 14
2012 130 85 88 48 22 45 26 129 49 80 60 53
2011 128 144 55 144 137 87 102 109 157 169 116 129
2010 170 82 231 89 66 123 85 113 150 161 100 153
2009 76 340 140 77 82 125 153 161 175 168 252 163
2008 81 243 177 123 99 209 153 120 134 81 81 52
2007 167 132 284 100 195 103 124 159 58 135 57 137
2006 144 171 125 132 159 163 145 231 116 241 150 75
2005 206 176 101 151 344 196 167 101 140 119 151 150
2004 5 11 6 8 26 92 82 153 108 112 73 145

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