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Re: [RFI] 160m-5mhz noise?

To: "rfi@contesting.com" <rfi@contesting.com>
Subject: Re: [RFI] 160m-5mhz noise?
From: Sam Morgan <k5oai.sam@gmail.com>
Date: Sun, 08 Nov 2009 13:55:12 -0600
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Rich wrote:
> If you can hear it on 160  you should be  able to use a portable AM 
> radio with
> the built in loop stick antenna.
>
update:
this morning I went the other way, down in frequency to 1.700mhz
at 1.700mhz and the frequency's below that are clear

I found the lowest point that the noise starts is 1.705mhz
it starts abruptly and immediately at 1.705mhz
it's not there on 1.700mhz
but is S9+30 at 1.705mhz

here is a clip of one place where I found a cyclic noise on 1.736.74 using LSB
http://pages.suddenlink.net/k5oai/audio/1736noise.mp3

here is a clip of me tuning across the 1.700mhz - 1.705mhz point
I was listening using AM. there is a weak station at the 1st
when I was on 1.700mhz.
I went from 1700 through 1705, then back down to 1700
and then back and forth across the 1705 point it popped up.
http://pages.suddenlink.net/k5oai/audio/1705noise.mp3

by about 1.776 it is starting to sound like my elevated noise floor
goes all the way up to 5.0mhz with S9 to S9+10 on LSB
by 6.0mhz it is gone and I have my normal S3-4-5 noise floor

> Sam Morgan wrote:
>> About 4-5 days ago I started noticing my noise floor on 160m,
>> which had been around 4-5, is now running S9 to S9+10.
>> I did see it stop for a couple of hours on the 2nd day,
>> but now it's steady all day 24/7.
>>
>> This is listening either on a vertical or dipole.
>> It has no distinctive sound, like an arc might have.
>> It just sounds like my atmospheric noise floor
>> had a volume control and has been turned up.
>>
>> I found out to day it goes all the way up to about 5mhz.
>>
>> 5.00mhz is S9
>> 5.25mhz is S8
>> 5.50mhz is S6
>> 6.00mhz is S5
>> 7.00mhz is S4
>> 8.00mhz is S3
>> S3 all the way to 30mhz


-- 
GB & 73
K5OAI
Sam Morgan
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