[ICOM] 500 kHz transceiver?

[Adam Farson]

Hi Hans,

Nice-looking red-haired kid!

I see that PCH used many Siemens E311 receivers. I used one at the Siemens
club station in Munich, in 1987. That was one of the nicest tube receivers -
synthesised, with 100 kHz and (optionally) 1 kHz loops.

Back on topic: You could use your IC-7700 as a receiver on 500 kHz, in
conjunction with a separate homebrew or surplus transmitter. I also had a
look at the IC-7600 block diagram; the 1.6 MHz LPF in the shared BPF group
could theoretically be switched into the transmit signal path by modifying
the switching-diode control logic. This would deliver useful exciter output
on 500 kHz, but I am not sure how well the driver and PA would handle it.

Cheers for now, 73,
Adam VA7OJ/AB4OJ


-----Original Message-----
From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
Behalf Of Hans Remeeus
Sent: 15-Nov-09 22:50
To: ICOM Reflector
Subject: Re: [ICOM] 500 kHz transceiver?


Hello Mike,

I understand that for most of us it is just another band. For me this is
very different. In my professional time the 500 kHz was a very important
distress frequency. It is almost unbelievable that we will be able to use
such a frequency for ham radio; very very cool indeed!

Here you can see a photo of me from 1977 when I was operating the 500 kHz
during a night shift:
http://www.remeeus.eu/images/stories/scheveningenradio/hraande500jaren70.jpg

And some other photo's: 
http://www.remeeus.eu/scheveningenradio/foto-impressie.html


73,
Hans Remeeus (PA1HR)
http://www.remeeus.eu
Communication is about people, the rest is technology.


Mike Olbrisch schreef:
> Interesting indeed.
> 
> Truth is - I hardly use the equipment I have - another band is just 
> one more think I wouldn't use.
> 
> Still - sounds cool.  Hope you find a way to make it work.
> 
> Mike - KD9KC.
> El Paso, Tx.
> DM61rt
> 
----
Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net Icom Users
Net: Sundays, 1700Z, 14.316 MHz Icom FAQ: http://www.qsl.net/icom/ To
support QSL/QTH.net: http://www.qsl.net/donate.html