Hi lf,
We Are currently calling cq , qrx crossband on 3.575 for an hour .
Please let us know.
Thanks
Giorgio
IZ2JGB
Inviato da iPhone
Il giorno 22/nov/2011, alle ore 19:27, "mal hamilton" <g3kevmal@talktalk.net>
ha scritto:
> Tnx Alex
> for your effort but it is a long way to Kampala on 137 with limited power of
> around 1W erp max. You might need a Rhombic or V beam to detect radio
> amateur signals which are very weak at that distance.
> 73 de mal/g3kev
>
> ----- Original Message -----
> From: "Alex K" <rn3aus@mail.ru>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Tuesday, November 22, 2011 6:09 PM
> Subject: LF: Re[2]: LF: 5X grabber is ON
>
>
>> Hello Stefan, Mal, Laurence, LF!
>> Thank you for your activity.
>> On screenshots which are on mine grabber, it is possible to see only very
> weak trace on 136171,2 Hz (23-00 z) and 136172 Hz (nearby 00z). Calibration
> of my equipment has an error of 0,2 Hz. These traces, unfortunately, are not
> readable, it is possible to ascertain only that the signal, probably, is..
> Having heard to record of a night air, I have made for myself discovery that
> I hear signals DCF39 and HGA22! A small fragment of record at 23:50 z
> http://rn3aus.narod2.ru/uganda/lf-uganda-21nov_2350z.wav. Frequency of the
> receiver is 135500 Hz. The carrier of HGA22 does not get trough IFpass-band
> filter. DCF39 is on the top border of a pass-band.
>> Unfortunately, meanwhile I cannot estimate the signal-noise ratio of
> DCF39.
>> The air here is very similar to a summer air during a near thunder-storm.
>> I hope that I will to make one more attempt to start grabber, having
> established the aerial on more tall mast, within the next few days to
> departure from Uganda. Certainly, as soon as it will be possible, I will
> inform about it here.
>>
>> Unfortunately, the Internet is accessible to me only periodically and I
> have a lot of work here. Excuse me if I don't answer some e-mail or I answer
> with the big delay.
>> vy 73 de Alex
>>
>> 22 ноября 2011, 00:47 от Stefan Schäfer
> <Stefan.Schaefer@iup.uni-heidelberg.de>:
>>> Hello Alex,
>>>
>>> I started my TX now and will run it over night.
>>>
>>> Am 21.11.2011 16:54, schrieb Alex K:
>>>> Hello LF! This night my 5X grabber is on-line
> http://rn3aus-lf-grabber.narod.ru
>>>>
>>>
>>> Will that be the last night you're running the grabber or will there be
>>> even more nights/chances?
>>>
>>> Have you tried to check for the DCF39 S/N and if, which S/N did you get
>>> (in 1 Hz NBW)?
>>>
>>> Is the region arround 136.17 clear or would it be more promising to try
>>> in the 137.777 region?
>>>
>>> 73 and many thanks for that nice portable receiver in
>>> Africa!!!!!!!!!!!!!!!!!!!!!
>>>
>>> Stefan/DK7FC
>>>
>>>
>
>
>
|
