[PCR-1000] NOAA APT reception

mikea mikea at mikea.ath.cx
Tue Nov 2 14:45:34 EST 2004


On Tue, Nov 02, 2004 at 08:24:59PM +0100, peter.tesar wrote:
> Hallo,
> I have a problem in regard to the reception of APT of NOAA satellites by 
> Icom PCR1000.
> 
> I receive the APT of NOAA satellites (137.XX MHz) using my 30-years old 
> analog East-German "RFT" selective microvoltmeter without problems. I 
> use a  discone antenna (I know that it is not very suitable for that 
> kind of reception, but for the first experiments I think it is 
> sufficient). The signal is usually strong and clear when the satellite 
> is high enough and I can hear the typical sound of APT transmission.
> 
> Several weeks ago I have bought a PCR-1000 receiver. I expected that 
> with this radio I will be able to receive the pictures from NOAA. 
> However, I was very disappointed when I tried to tune NOAA satellite on 
> this radio. I heard almost nothing, even when the signal on RFT receiver 
> was very strong. I have tried all available banwidths and modulations 
> without success. Only in USB I have heard a very, very weak signal, 
> which slowly changed with Doppler-shift.
> Otherwise the sensitivity of my PCR-1000 is OK, because stations on 
> airband (135 MHz) and 2m amateur band (145 MHz) are well audible.
> 
> On the internet I have found a lot of good references regarding to APT 
> reception with PCR-1000.
> 
> So, I am helpless, where can be the problem.

Try using the other output jack -- I'm not where I can see mine, and
so can't give you the exact name. It's wideband output, and more 
suited to data transmission. 

-- 
Mike Andrews
mikea at mikea.ath.cx
Tired old sysadmin 


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