Date   

Re: N3MK/0 back from APE expedition (long overview of trip)

N3DQU@...
 

Man, what a great story! You guys sure know how to spend a vacation hi! 73
de Jay N3DQU


Re: 30 meter noise

Steve W3HF
 

Oops, typed too fast.

similar to mine, it's some multiple of either the line rate. So it's a
Delete the "either." I changed thoughts in mid-sentence and didn't
correct it.


Re: 30 meter noise

Steve W3HF
 

Steve,
I tried a lower res mode, but it only reduced the noise slightly.
Think a higher res might help? What's the Sys Tray thing you
mentioned?

Jay - AA8QQ
Any change in mode should help. Assuming the noise you see is
similar to mine, it's some multiple of either the line rate. So it's a
combination of your (vertical) resolution and your refresh rate.

Let's see, if you have a refresh rate of 72 Hz (that's 72 video frames
per second) and a video mode that has 1024 lines, that's 72x1024
lines per second, or 73.728 kHz. Depending on the design of your
video card, there are probably harmonics out the wazoo.

But if you were to switch to an 800 line mode, the line rate is 57.6
kHz. And if you went to a 1280 line mode, it would be 92.160 kHz.
The trick is to find one that's clean at the frequency you want to use.

The system tray utility is something that may or may not be needed
depending on your version of Windows. Earlier versions (some
Win95, for example) required you to reboot whenever you switched
modes. There was a utility that came with the Windows Power Toys
set called QuickRes that let you pop up a utility that did the switch on
the fly. Once that came out, many video board manufacturers added
it to their own utilities, so it may not be needed for you.

Steve


Hey Bernie

AA8QQJMauch@...
 

Hey Bernie,
Can you meet me on 30 so I can really try both sides of the new loop?


Re: 30 meter noise

Steve W3HF
 

Hi All,
I put another fw loop in the attic today. This time made from coax.
Still getting what I thot was power line noise. Turns out the noise
is from the video card in the station PC. If I let the Green Machine
timer shut down the video to the monitor, the noise disappears. If I
disconnect the VGA cable at the PC, the noise goes away. Only problem
is, once the video is gone, I can't work PSK. This seems to happen on
30 meters, and on 6 if I turn the quad toward the shack.

Speaking of a fw coax loop, has anybody ever tried making a full wave
shielded loop (like they make for RX) that you can TX on?

Any ideas? Any one?

73,
Jay - AA8QQ
Jay -

Try running a different video mode, i.e., a different resolution.

On my machine here, I use 1280x1024 most of the time, but have to
switch to something else when I work 15m, as the hash is in the
PSK band.

You can use a System Tray utility to switch the mode on the fly,
without a reboot. Takes me about 20 seconds. (I do it while I switch
the antenna and tuner.)

Steve
W3HF


12m

Ernest Mills <emills@...>
 

I'm on 12m now and just worked a GW station. I need one more fer my 070 award. :) Ernie


Re: DE-xpedition

Steve W3HF
 

Steve,
If you're gonna be on 20 for 4 hrs, why not stick to 15, 30, & 40 the
other times? Just a thought.

Jay - AA8QQ
Jay -

Interesting suggestion. I guess my thought was that I wanted to give
all bands a try whenever I could (i.e., when not driven by the
contest) just in case propagation changed during the day.

But maybe things wouldn't change that much between 2:00 and 4:00
local to make it worth the effort.

What do you other folks think?

Steve

BTW, I just happened to tune in 20m, and there's KB4GYT calling
"CQ Delaware." I think I'll give him a call and let him know what to
expect next week. :-)

Steve


Re: 30 meter noise

AA8QQJMauch@...
 

Steve,
I tried a lower res mode, but it only reduced the noise slightly. Think a
higher res might help? What's the Sys Tray thing you mentioned?

Jay - AA8QQ


30 meter noise

AA8QQJMauch@...
 

Hi All,
I put another fw loop in the attic today. This time made from coax. Still
getting what I thot was power line noise. Turns out the noise is from the
video card in the station PC. If I let the Green Machine timer shut down the
video to the monitor, the noise disappears. If I disconnect the VGA cable at
the PC, the noise goes away. Only problem is, once the video is gone, I
can't work PSK. This seems to happen on 30 meters, and on 6 if I turn the
quad toward the shack.

Speaking of a fw coax loop, has anybody ever tried making a full wave
shielded loop (like they make for RX) that you can TX on?

Any ideas? Any one?

73,
Jay - AA8QQ


Re: 12M

spdomingue@...
 

Idaho here I am on 24920.5 and see or almost see someont on 24921.5 just a little


Re: 12m anyone?

spdomingue@...
 

I see ?? KF4HIF?? on 24920.5 or close there about 5% copy now getting better in Idhao

N6YIH/7


Re: 12m anyone?

spdomingue@...
 

I can see a little signal about 2492.5 no copy yet but maybe soon


DE-xpedition

Steve W3HF
 

Well it looks like the idea of a DE-xpedition is a popular one. (My
thanks to Brian N7XB for the name.) So planning will commence.
Here's the plan so far.

1. I'll probably start heading down towards DE around 1630z on
Sunday, 8 Sept. It should only be a one-hour drive to hit the border.

2. I have located a few parks within a couple miles of where US Rte
202 enters the state. I hope to find one with an acceptable
operating location pretty quickly after arriving in the state.

3. This, I hope, will put me on the air around 1800z.

4. Equipment will be the same as my APE to NC: Yaesu FT-817
(five watts), Toshiba laptop running DigiPan, homebrew vertical.
Note that I wasn't able to find a good SWR match to the antenna
on 80m or 10m before, so unless I can fix that, I will likely only be
on the bands that worked well on the APE (15, 20, 30, 40).

5. The time from 2000z to 2400z is the QRP ARCI PSK contest,
which runs only on 20m, so I will be exclusively on 20m for those
four hours. I hope to find many of you during that time, even if
you've already worked DE before (or even worked me earlier in the
day!) I intend to make a serious entry in the contest, and I hope
that my rare location (and all my 070 friends) will help me out a bit.

6. Prior to the contest, I'll rotate through the other bands available
to me. Unless someone has a different suggestion, I would suggest
the following schedule:

0-15 minutes after the hour: 20 meters
15-30 minutes after the hour: 30 meters
30-45 minutes after the hour 40 meters
45-60 minutes after the hour 15 meters.

Note that this means the first 20 meter session might not start on
time if I don't get set up quickly. But I'll have four hours on 20m
later that I hope will make up for it.

I'll try to stick around for a while after 2400z to work the low bands
(30 and 40), but I don't know how long I'll be able to stay. Some
parks have a closing time at sunset, so this time is at risk.

7. I'll be using the callsign W3HF/3. Unless there's some really hot
DX I hear, I'll probably just call CQ. Please look for me, and feel
free to spot me on the 070 reflector and/or the clusters.

8. If the bands are open, it shouldn't be hard to find my signal on
15, 30, or 40--there just isn't that much activity. On 20m, I'll try to
stay on the high end of the band (14.072 or so) most of the time,
so you will know where to look. Of course, I may jump around a bit
during the contest ("search and pounce" approach) if the response
to my CQs drops off.

If you have any questions, suggestions, or whatever, please let me
know.

Steve
W3HF


Re: 12M

John Durbin <durbinsjz@...>
 

I am in a qso with K6DRK look west Joe

Chris KC8LJN

----- Original Message -----
From: <w1sql@arrl.net>
To: <070@yahoogroups.com>
Sent: Monday, September 02, 2002 11:40 AM
Subject: RE: [070] 12M


I don't see anything at all. I called CQ several times and apparently no
one
else can see anything either.

Joe
W1SQL

-----Original Message-----
From: Ernest Mills [mailto:emills@NYCAP.rr.com]
Sent: Monday, September 02, 2002 11:33 AM
To: 070@yahoogroups.com
Subject: Re: [070] 12M


Uhmm see a thing. Maybe we try in a few hours eh! Ernie

----- Original Message -----
From: "John Durbin" <durbinsjz@suite224.net>
To: <070@yahoogroups.com>
Sent: Monday, September 02, 2002 11:31 AM
Subject: [070] 12M


I am calling CQ on 12 meter now.

Chris KC8LJN






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Re: 12m anyone?

spdomingue@...
 

OK I be looking and calling from Idaho

SteveD
N6YIH/7


Re: 12M

w1sql@...
 

I don't see anything at all. I called CQ several times and apparently no one
else can see anything either.

Joe
W1SQL

-----Original Message-----
From: Ernest Mills [mailto:emills@NYCAP.rr.com]
Sent: Monday, September 02, 2002 11:33 AM
To: 070@yahoogroups.com
Subject: Re: [070] 12M


Uhmm see a thing. Maybe we try in a few hours eh! Ernie

----- Original Message -----
From: "John Durbin" <durbinsjz@suite224.net>
To: <070@yahoogroups.com>
Sent: Monday, September 02, 2002 11:31 AM
Subject: [070] 12M


I am calling CQ on 12 meter now.

Chris KC8LJN






Check out the 070 Club website at
< http://www.podxs.com/html/070_club.html > for the latest information on
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Re: 12M

John Durbin <durbinsjz@...>
 

Sounds good to me

Chris KC8LJN

----- Original Message -----
From: "Ernest Mills" <emills@NYCAP.rr.com>
To: <070@yahoogroups.com>
Sent: Monday, September 02, 2002 11:33 AM
Subject: Re: [070] 12M


Uhmm see a thing. Maybe we try in a few hours eh! Ernie

----- Original Message -----
From: "John Durbin" <durbinsjz@suite224.net>
To: <070@yahoogroups.com>
Sent: Monday, September 02, 2002 11:31 AM
Subject: [070] 12M


I am calling CQ on 12 meter now.

Chris KC8LJN






Check out the 070 Club website at
< http://www.podxs.com/html/070_club.html > for the latest information
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070 Club activities.
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Re: 12M

Ernest Mills <emills@...>
 

Uhmm see a thing. Maybe we try in a few hours eh! Ernie

----- Original Message -----
From: "John Durbin" <durbinsjz@suite224.net>
To: <070@yahoogroups.com>
Sent: Monday, September 02, 2002 11:31 AM
Subject: [070] 12M


I am calling CQ on 12 meter now.

Chris KC8LJN






Check out the 070 Club website at
< http://www.podxs.com/html/070_club.html > for the latest information on
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12M

John Durbin <durbinsjz@...>
 

I am calling CQ on 12 meter now.

Chris KC8LJN


Re: 12m anyone?

w1sql@...
 

Ernie,
Where on 12 meters?

Joe
W1sql

-----Original Message-----
From: Ernest Mills [mailto:emills@NYCAP.rr.com]
Sent: Monday, September 02, 2002 11:22 AM
To: (GR) 070 Yahoo Groups
Subject: [070] 12m anyone?


Am trying to tune this coat hanger on 12m as I need two more Q's for my
basic 070 WARC award. Anyone want to play? Ernie WM2U






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