Date: Tue, 19 Mar 2019 13:04:29 +0000
From: Chris Wilson <dead.fets@gmail.com>
Message-ID: <1549544129.20190319130429@gmail.com>
To: Jacek Lipkowski <rsgb_lf_group@blacksheep.org>
In-Reply-To: <alpine.DEB.2.11.1903181431590.22616@mailn.lipkowski.org>
References: <3610593157.20190318123953@gmail.com> <alpine.DEB.2.11.1903181431590.22616@mailn.lipkowski.org>
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Subject: Re: LF: Re: Polish MF ship back up trasmitter
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Hello Jacek,

Thanks  for  the  links  I  will try a Google Translate request on the
forum you mentioned, I appreciate your trouble and time, all the best!

Monday, March 18, 2019, 1:52:36 PM, you wrote:

> Hello


> ### There is also some information in a post from Dave G3YXM here 
> (uncluding photos):
> https://klubnl.pl/rsgb_lf_group-archives/html/rsgb_lf_group/2018-10/msg00087.html
> He says it's 50W.


> ###  I see it mentioned here:
> http://sp7pki.iq24.pl/default.asp?grupa=165822&temat=441483

> Someone was looking for documentation. The response from SP9IKF is:

> i don't remember the exact model, but most of these devices from RADMOR
> and later UNIMOR were installed in Polish shipyards, and they must obey
> the parameters in the SOLAS convention:

> 50W output
> 410-512kHz
> A1A and A2A modes
> -24V DC power supply

> The TX is driven from a crystal, maybe the later versions were synthesized
> but i don't think so. Generally it's a device designed in the '70s, the
> device is completely transistorized. This is all that i remember.

> The reply from SP3HSZ:

> Thanks for the info. I could use some technical documentation. It is based
> on a crystal, and works very close to our band. Looking at the PA i think
> it might be capable of more than 50W, but i don't want to run it without
> the docs.


> You could try on elektroda.pl (general electronics site) and 
> sp7pki.iq24.pl (but this was already mentioned and not much information
> was given).

> VY 73

> Jacek / SQ5BPF


> On Mon, 18 Mar 2019, Chris Wilson wrote:

>> Date: Mon, 18 Mar 2019 12:39:53 +0000
>> From: Chris Wilson <dead.fets@gmail.com>
>> Reply-To: rsgb_lf_group@blacksheep.org
>> To: Jacek Lipkowski <sq5bpf@lipkowski.org>
>> Subject: Polish MF ship back up trasmitter
>> 
>>
>>
>>
>> Hello  Jacek,
>>
>>  Chris, 2E0ILY here. I hope you do not mind the direct e-mail?
>>
>>  I just got hold of an MF transmitter made in Poland by Unimor. It's
>>  possibly an NR-2502 model, Type 2511/2, all transistor, probably
>>  about 50W output crystal controlled switchable frequencies with auto
>>  emergency distress keying on the emergency channel. I have found
>>  very little info on it, and would especially like a schematic. I
>>  wonder if there are any speciality Polish groups that might have
>>  someone present who has such information? Thanks Jacek.
>>
>> -- 
>> Best regards,
>> Chris                          mailto:dead.fets@gmail.com
>>


-- 
Best regards,
 Chris                            mailto:dead.fets@gmail.com