Message-ID: <C61C70B90B5C445E9CC2EBBC60F327C6@AGB>
From: "Graham" <g8fzk@g8fzk.fsnet.co.uk>
To: <jcraig@mun.ca>
Cc: <rsgb_lf_group@blacksheep.org>
References: <FEDE5D8CF84D491A8E0F0FFDC799918A@AGB> <000001cd8810$7b23f220$716bd660$@com> <F43005D561DF4C839579A88C57AC8D13@AGB> <002d01cd8853$3f197af0$bd4c70d0$@com> <68C1B4735C85472DA442B70F4963742A@AGB> <Pine.LNX.4.64.1209011943200.30446@plato.ucs.mun.ca>
In-Reply-To: <Pine.LNX.4.64.1209011943200.30446@plato.ucs.mun.ca>
Date: Sun, 2 Sep 2012 01:04:14 +0100
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Subject: Re: LF: VO1NA
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looks  like  a good  start to the  night

G..

23:26    136 VO1NA de GW0EZY Op32  -34 dB in Welshpool IO82HO
23:26    136 VO1NA de G4WGT Op32  -37 dB in Chorley, IO83qo

23:59    136 VO1NA de F4DTL Op32  -40 dB in Paris France
23:59    136 VO1NA de W1TAG Op32  -41 dB in Raymond, ME
23:59    136 VO1NA de GW0EZY Op32  -32 dB in Welshpool IO82HO
23:59    136 VO1NA de G4WGT Op32  -31 dB in Chorley, IO83qo

--------------------------------------------------
From: <jcraig@mun.ca>
Sent: Saturday, September 01, 2012 11:18 PM
To: "Graham" <g8fzk@g8fzk.fsnet.co.uk>
Cc: <rsgb_lf_group@blacksheep.org>
Subject: Re: LF: VO1NA

> Hi Graham, Terry and Group
>
> Thanks for the report Terry.  I also noted a dip in the sigs on
> the DF6NM grabber and for a moment was concerned that the power
> supply was in trouble again. Fortunately all was OK.
>
> The TX is now transmitting OP32 on 137.777 kHz, 4.5 anps to the 100m wire.
>
> Good luck to all and thank-you in advance to those who may be monitoring.
>
> 73
> Joe VO1NA
>
> On Sat, 1 Sep 2012, Graham wrote:
>
>> Thanks  Terry
>>
>> This where  it  becomes a little  messy
>>
>> The  mid  band  audio  frequency's    are     OP32  =   1550 Hz   and OP8 
>> = 1650  Hz
>>
>> So  for a  carrier  frequency  of  137.777  KHz  , that  gives   Rx dial 
>> set usb   of  136.227    for  OP32    and   136.127  for  OP8
>>
>> As the  pass  bands  are  100 Hz  wide  , then  these will  be   +/-  50 
>> Hz  max
>>
>> So  depending  on the Rx  setting  accuracy , you  could  round  down  to 
>> the  last  ,  20 Hz  or  7 Hz
>>
>> Eg my  Skanti  R5003 tunes  in 100 Hz  steps  , so  136.2  or  136.1 , 
>> would  put  me  27 Hz  off  , which  all  being  well  , leaves 20 Hz  or 
>> so  to the  filter  edge
>>
>> All  Joe needs  to  post  in  advance  is the selected  mode  speed  as 
>> a  change  of  speed  , will  need  a  Rx  re-set . I don't  think  Joe's 
>> TX P/C is  web linked , so  there  will  not  be a  TX  beacon ,
>>
>>
>> 73-G.
>>
>> NB::  Now  if you  want , that  could also  be  translated  to a  dial 
>> set   for  LSB as the  Opera  mode  is  only  1  tone ........  but  I 
>> don't  think we will  go  there just yet  .. but  would  that  drop 
>> dfc39  out of the  rx pass  band .... I wonder ..
>>
>>
>>
>>
>>
>>
>>
>>
>> From: Terry GW0EZY
>> Sent: Saturday, September 01, 2012 4:05 PM
>> To: rsgb_lf_group@blacksheep.org
>> Subject: RE: LF: VO1NA
>>
>>
>> Yes no problem. Please could you confirm the "dial" frequency?
>>
>>
>>
>> If Opera could specify left or right audio channels I could do both 
>> sub-bands as SDR-IQ/SpectraVue provides a two channel Rx with output on L 
>> and R channels. Maybe SL could do the split for Opera.
>>
>>
>>
>> I'll keep an eye on BS to see when to set up.
>>
>>
>>
>> 73 Terry
>>
>>
>>
>> From: owner-rsgb_lf_group@blacksheep.org 
>> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Graham
>> Sent: 01 September 2012 12:20
>> To: rsgb_lf_group@blacksheep.org
>> Subject: Re: LF: VO1NA
>>
>>
>>
>> Terry
>>
>>
>>
>> Joe  was   asking  about  running  Opera  beacon  on  137.777  as he is 
>> fixed  frequency , but  problem  is  arranging  a  monitor  group  as 
>> operations  are  now  136.000 usb
>>
>>
>>
>> Is it  possible  you  could  monitor  137.777  using  Op mode  , If Joe 
>> runs overnight  again ? Im sure  we can  arrange  others  to  join in
>>
>>
>>
>> Tnx
>>
>>
>>
>> Graham
>>
>>
>>
>> From: Terry GW0EZY
>>
>> Sent: Saturday, September 01, 2012 8:07 AM
>>
>> To: rsgb_lf_group@blacksheep.org
>>
>> Subject: LF: VO1NA
>>
>>
>>
>> Joe
>>
>>
>>
>> Screen grab of your signals last night. Strongest appears around 04:30 
>> UTC with interesting deep QSB dip about 1 hr later. Still copy at 07:00 
>> UTC.
>>
>>
>>
>> SDR14 with Wellbrook LFL1010 untuned loop
>>
>>
>>
>> 73 Terry GW0EZY
>>
>
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