Topband: Radar last night?

[Takeshi Yoshida]

At 02:42 +0900, 2006/04/05, Tree N6TR/7 wrote:

>When I was working DF2PY and G3JMJ, I heard some really strange noise
>on the band.  I didn't report it at first, because I thought it might 
>have been due to a new video card I installed on my computer - but 
>Wolf, DF2PY, reported hearing a radar on the band at the same time.
>
>Either my video card is getting out really well, or it was something 
>else.  This probably isn't the BY radar we have been talking about as
>I believe the sun wasn't anywhere near setting in BY at 0500z.  
>
>It almost sounded like power line buzzz - but had a frequency component
>to it that seemed to repeat every kHz or so as you tuned through it.
>The noise blanker took some of it out.
>
>The signal didn't really peak up in any direction with my beverages,
>so this would appear to have been a rather high angle event.  
>
>Did anyone else hear it?  Any ideas where it is coming from?  If it is
>on tonight, I'll make a .WAV file of it. 



On JA7AO's BBS, JA7NI said at 09:40Z, April-05th; 
"Though I was waiting for VE1ZZ today, it's impossible to hear him, 
because the jamming signals just like last years' niose from BY has 
been coming from 09:00Z and was 1660-1960khz wide with S9 over. 
So I reported this thing to JARL." 

Then, I watched 160M at 11:30Z and there was S9+20db between 1800-1870 
and was S9 from 1700 to 1940kHz with my inv vee dipole at 30mtrs high. 

It's TOO BAD, but I hope I could to get VU4AN on 160 later this month. 

I did update these sound files of jamming signals at: 
 http://www.page.sannet.ne.jp/ja3aaw/sound/jamming_200604.htm

     --------------------------------------------------------  
73,  de Yosi JA3AAW  <ja3aaw at sannet.ne.jp>, <ja3aaw at jarl.com>
          http://www.page.sannet.ne.jp/ja3aaw/