Re: [IRCA] continuing minimalist TA

2009-06-02 Thread Nick Hall-Patch
At 05:46 6/2/2009, you wrote:

I didn't remember to check until 0520 utc, 1566 had a poor aural het; 783 a 
medium het. 1566 is now gone but 783 continues with a weak het, 0546 utc.

sounds like much the same as here, Steve.  783 is hanging in at 0600UT but 
fading down; couldn't find anything else other than these two.   

I was mistaken about 783's s/on.  EMWG says 0830UT and 2009 WRTH says 0630UT... 
 Certainly no sign of life on 4845 parallel at present.

best wishes,

Nick




*
Nick Hall-Patch
Victoria, BC
Canada 

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Re: [IRCA] [NRC-AM] Tecsun PL-300WT-- A Sizzler on AM FM, A Fizzler on LW and SW

2009-06-02 Thread BROCKRADIO
Thanks for the long wave review. I will have to pass.
Brock
 
**An Excellent Credit Score is 750. See Yours in Just 2 Easy 
Steps! 
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[IRCA] some evidence of TP 2 June 09

2009-06-02 Thread Nick Hall-Patch
Checked the radio for a few minutes this morning at 1120UT; there were a few 
Asian carriers around, the best being 828, 1287 and 1566 as well as one obvious 
DU (1116).   747 and 774 had audio traces which appeared to be from Japan, with 
the same sounding man on both channels (not up at the same time for a parallel 
though), and noted on both north and west Flags.



best wishes,

Nick



*
Nick Hall-Patch
Victoria, BC
Canada  

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Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM FM, A Fizzler on LW and SW

2009-06-02 Thread D1028Gary
Hi Paul,
 
Thanks for the information on the PL-300WT's AM-FM DSP chip, and of course  
the radio's uneven performance on LW and SW certainly makes me agree  with 
your statements.
 
It's obvious now that Tecsun designed the breakthrough DSP performance  to 
apply only on AM and FM, and the LW and SW bands are mediocre additions 
which  border on the defective. I myself have been puzzling why Tecsun would 
even wish  to include them in this innovative receiver, but I suppose that if 
they were  lacking, purchasers might think that this was only another typical 
 AM-FM portable receiver for local reception (which of course would be a  
great mistake), and pass over this receiver in favor of its 4-band  
competitors.
 
73, Gary
 
 
In a message dated 6/1/2009 10:16:22 P.M. Pacific Daylight Time,  
texn...@yahoo.com writes:


Gary,

According to the ebay description of the Tecsun  PL-300WT (by the seller 
liypn), this radio uses the Silicon Labs Si4737 DSP  chip which can only 
demodulate MW, FM, and the Weather Band. See slide 12 of  
https://www.silabs.com/Marcom%20Documents/Resources/Si473x_Presentation.pdf
and
https://www.silabs.com/products/audiovideo/amfmreceivers/Pages/Si473637.aspx

If  liypn's information is correct (verified by opening the radio up and 
locating  the Silicon Labs chip), Tecsun must use this chip for MW/FM, and a 
separate  non-DSP single or dual conversion demodulator/tuner with much 
poorer  selectivity and sensitivity for shortwave.

For shortwave enthusiasts,  it will be interesting to see which one of the 
forthcoming DSP radios from  Tecsun use the Si4734 or Si4735 chips, which 
demodulate MW, FM, and  SW.

In terms of price, the Si4737 chip starts at $3.06 in quantities of  10K; 
the Si4734/35 starts at $3.27 in quantities of  10K.

Paul

--- On Mon, 6/1/09, d1028g...@aol.com  d1028g...@aol.com wrote:

 From: d1028g...@aol.com  d1028g...@aol.com
 Subject: [IRCA] Tecsun PL-300WT-- A Sizzler  on AM  FM, A Fizzler on LW 
and SW
 To: irca@hard-core-dx.com,  a...@nrcdxas.org, ultraligh...@yahoogroups.com, 
o...@yahoogroups.com
  Date: Monday, June 1, 2009, 9:45 PM
 Hello All,
  
  Although evidence indicates that a huge ordering boom has
 started for  the  
 DSP-enhanced Tecsun PL-300WT Ultralight radio, for those  of
 you still on the 
  fence about this innovative pocket  radio, some further
 information may be 
 of   interest.
  
 Tecsun's primary focus in developing this  breakthrough
 model appears to  
 have been in transforming  the AM and FM circuitry to set
 new standards of  
  weak-signal performance, and with superlative sensitivity
 and  selectivity  in 
 both bands, they appear to have accomplished  their purpose.
 However, the  
 model does have other bands  included in the package, which
 frankly appear to  
 have  been neglected, and border on the substandard.
  
 The  Longwave band (153-513 kHz) of the PL-300WT  was
 thoroughly  searched 
 for any possible signals at local sunset, without   any
 results. This is not 
 unusual for small portables with LW  capability, but
 in  most cases, one or two 
 of the  strongest beacons will at least make an
 appearance  at sunset.  
  
 The Shortwave bands of the PL-300WT are filled with  local
 MW station spurs, 
  and mixing products. The signal  of local KSUH-1450 has a
 coverage of 
 about 6  Mhz on  the Tecsun's shortwave bands, from 9.5
 Mhz to 15.5 Mhz. WWV on  
 10 Mhz is  really just a mixing product with KSUH.
  Legitimate SW stations 
 have anemic  signal levels, to the point  of being
 crowded out by the MW spurs. 
  The Tropical Band  is especially bad, with a sorry
 collection of MW  
  station spurs and mixing products overpowering any
 legitimate   stations.
  
 Of course the argument could be made that for  a $50
 receiver, Tecsun has  
 already provided an  outstanding value with the superlative,
 DSP-enhanced  
  reception on the AM and FM bands. The puzzling aspect is
 why Tecsun  would  
 include such dreadful LW and SW sections in a model  which
 is otherwise so  
 superb. In summary, if LW or SW  reception is your top
 priority in a  portable, my 
 strong  recommendation would be to avoid the PL-300WT,
 despite its   
 breakthrough DSP capabilities.
  
 73, Gary  DeBock
  
  
  
  **An Excellent Credit Score is 750. See Yours
 in Just 2  Easy 
 Steps! 
  
(http://pr.atwola.com/promoclk/100126575x1222585042x1201462767/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072hmpgID=62bcd=Jun
  eExcfooterNO62)
  ___
 IRCA mailing  list
 IRCA@hard-core-dx.com
  http://montreal.kotalampi.com/mailman/listinfo/irca
 
 Opinions  expressed in messages on this mailing list are
 those of the original  contributors and do not necessarily
 reflect the opinion of the IRCA,  its editors, publishing
 staff, or officers
 
 For more  information: http://www.ircaonline.org
 
 To Post a message:  irca@hard-core-dx.com
 
 





Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM FM, A Fizzler on LW and SW

2009-06-02 Thread P A

These new series of DSP radios are interesting from another point of view, at 
least from those of us lamenting the move away from US production of high-end 
receivers (e.g. Drake): the Silicon Labs chips - the heart of these radios - 
are designed and prototyped in Austin, TX. The production wafers are purhcased 
in Taiwan, and most likely the chips are fabricated there too. These then end 
up in China and are integrated into a product there, and marketed domestically, 
via ebay, and probably in the not too distant future in US and Europe too.

Paul

--- On Tue, 6/2/09, d1028g...@aol.com d1028g...@aol.com wrote:

 From: d1028g...@aol.com d1028g...@aol.com
 Subject: Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM  FM, A Fizzler on LW 
 and SW
 To: irca@hard-core-dx.com
 Date: Tuesday, June 2, 2009, 11:02 AM
 Hi Paul,
  
 Thanks for the information on the PL-300WT's AM-FM DSP
 chip, and of course  
 the radio's uneven performance on LW and SW certainly makes
 me agree  with 
 your statements.
  
 It's obvious now that Tecsun designed the breakthrough DSP
 performance  to 
 apply only on AM and FM, and the LW and SW bands are
 mediocre additions 
 which  border on the defective. I myself have been
 puzzling why Tecsun would 
 even wish  to include them in this innovative
 receiver, but I suppose that if 
 they were  lacking, purchasers might think that this
 was only another typical 
  AM-FM portable receiver for local reception (which of
 course would be a  
 great mistake), and pass over this receiver in favor of its
 4-band  
 competitors.
  
 73, Gary    
  
  
 In a message dated 6/1/2009 10:16:22 P.M. Pacific Daylight
 Time,  
 texn...@yahoo.com
 writes:
 
 
 Gary,
 
 According to the ebay description of the Tecsun 
 PL-300WT (by the seller 
 liypn), this radio uses the Silicon Labs Si4737 DSP 
 chip which can only 
 demodulate MW, FM, and the Weather Band. See slide 12
 of  
 https://www.silabs.com/Marcom%20Documents/Resources/Si473x_Presentation.pdf
 and
 https://www.silabs.com/products/audiovideo/amfmreceivers/Pages/Si473637.aspx
 
 If  liypn's information is correct (verified by
 opening the radio up and 
 locating  the Silicon Labs chip), Tecsun must use this
 chip for MW/FM, and a 
 separate  non-DSP single or dual conversion
 demodulator/tuner with much 
 poorer  selectivity and sensitivity for shortwave.
 
 For shortwave enthusiasts,  it will be interesting to
 see which one of the 
 forthcoming DSP radios from  Tecsun use the Si4734 or
 Si4735 chips, which 
 demodulate MW, FM, and  SW.
 
 In terms of price, the Si4737 chip starts at $3.06 in
 quantities of  10K; 
 the Si4734/35 starts at $3.27 in quantities of  10K.
 
 Paul
 
 --- On Mon, 6/1/09, d1028g...@aol.com 
 d1028g...@aol.com
 wrote:
 
  From: d1028g...@aol.com 
 d1028g...@aol.com
  Subject: [IRCA] Tecsun PL-300WT-- A Sizzler  on
 AM  FM, A Fizzler on LW 
 and SW
  To: irca@hard-core-dx.com, 
 a...@nrcdxas.org, ultraligh...@yahoogroups.com,
 
 o...@yahoogroups.com
   Date: Monday, June 1, 2009, 9:45 PM
  Hello All,
   
   Although evidence indicates that a huge ordering
 boom has
  started for  the  
  DSP-enhanced Tecsun PL-300WT Ultralight radio, for
 those  of
  you still on the 
   fence about this innovative pocket  radio,
 some further
  information may be 
  of   interest.
   
  Tecsun's primary focus in developing this 
 breakthrough
  model appears to  
  have been in transforming  the AM and FM
 circuitry to set
  new standards of  
   weak-signal performance, and with superlative
 sensitivity
  and  selectivity  in 
  both bands, they appear to have accomplished 
 their purpose.
  However, the  
  model does have other bands  included in the
 package, which
  frankly appear to  
  have  been neglected, and border on the
 substandard.
   
  The  Longwave band (153-513 kHz) of the
 PL-300WT  was
  thoroughly  searched 
  for any possible signals at local sunset,
 without   any
  results. This is not 
  unusual for small portables with LW  capability,
 but
  in  most cases, one or two 
  of the  strongest beacons will at least make an
  appearance  at sunset.  
   
  The Shortwave bands of the PL-300WT are filled
 with  local
  MW station spurs, 
   and mixing products. The signal  of local
 KSUH-1450 has a
  coverage of 
  about 6  Mhz on  the Tecsun's shortwave
 bands, from 9.5
  Mhz to 15.5 Mhz. WWV on  
  10 Mhz is  really just a mixing product with
 KSUH.
   Legitimate SW stations 
  have anemic  signal levels, to the point  of
 being
  crowded out by the MW spurs. 
   The Tropical Band  is especially bad, with
 a sorry
  collection of MW  
   station spurs and mixing products overpowering
 any
  legitimate   stations.
   
  Of course the argument could be made that for  a
 $50
  receiver, Tecsun has  
  already provided an  outstanding value with the
 superlative,
  DSP-enhanced  
   reception on the AM and FM bands. The puzzling
 aspect is
  why Tecsun  would  
  include such dreadful LW and SW sections in a
 model  which

Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM FM, A Fizzler on LW and SW

2009-06-02 Thread satya
Hey guys:

I also look forward to the PL-310 and PL-380, also advertised as having
DSP.  If they used the chip with SW capability, then these would be much
better sets for SW listeners.  On the one hand, if they are otherwise the
same performers for AM and FM one might just stick with the P-300WT,
although having a keypad and perhaps other bells and whistles might be
nice as well.

Paul - it doesn't look there will be an SSB receiver with DSP, at least
not this year: does it look like any of the Silicon Labs chips support
SSB?

Kevin


 Hi Paul,

 Thanks for the information on the PL-300WT's AM-FM DSP chip, and of course
 the radio's uneven performance on LW and SW certainly makes me agree  with
 your statements.

 It's obvious now that Tecsun designed the breakthrough DSP performance  to
 apply only on AM and FM, and the LW and SW bands are mediocre additions
 which  border on the defective. I myself have been puzzling why Tecsun
 would
 even wish  to include them in this innovative receiver, but I suppose that
 if
 they were  lacking, purchasers might think that this was only another
 typical
  AM-FM portable receiver for local reception (which of course would be a
 great mistake), and pass over this receiver in favor of its 4-band
 competitors.

 73, Gary


 In a message dated 6/1/2009 10:16:22 P.M. Pacific Daylight Time,
 texn...@yahoo.com writes:


 Gary,

 According to the ebay description of the Tecsun  PL-300WT (by the seller
 liypn), this radio uses the Silicon Labs Si4737 DSP  chip which can only
 demodulate MW, FM, and the Weather Band. See slide 12 of
 https://www.silabs.com/Marcom%20Documents/Resources/Si473x_Presentation.pdf
 and
 https://www.silabs.com/products/audiovideo/amfmreceivers/Pages/Si473637.aspx

 If  liypn's information is correct (verified by opening the radio up and
 locating  the Silicon Labs chip), Tecsun must use this chip for MW/FM, and
 a
 separate  non-DSP single or dual conversion demodulator/tuner with much
 poorer  selectivity and sensitivity for shortwave.

 For shortwave enthusiasts,  it will be interesting to see which one of the
 forthcoming DSP radios from  Tecsun use the Si4734 or Si4735 chips, which
 demodulate MW, FM, and  SW.

 In terms of price, the Si4737 chip starts at $3.06 in quantities of  10K;
 the Si4734/35 starts at $3.27 in quantities of  10K.

 Paul

 --- On Mon, 6/1/09, d1028g...@aol.com  d1028g...@aol.com wrote:

 From: d1028g...@aol.com  d1028g...@aol.com
 Subject: [IRCA] Tecsun PL-300WT-- A Sizzler  on AM  FM, A Fizzler on LW
 and SW
 To: irca@hard-core-dx.com,  a...@nrcdxas.org,
 ultraligh...@yahoogroups.com,
 o...@yahoogroups.com
  Date: Monday, June 1, 2009, 9:45 PM
 Hello All,

  Although evidence indicates that a huge ordering boom has
 started for  the
 DSP-enhanced Tecsun PL-300WT Ultralight radio, for those  of
 you still on the
  fence about this innovative pocket  radio, some further
 information may be
 of   interest.

 Tecsun's primary focus in developing this  breakthrough
 model appears to
 have been in transforming  the AM and FM circuitry to set
 new standards of
  weak-signal performance, and with superlative sensitivity
 and  selectivity  in
 both bands, they appear to have accomplished  their purpose.
 However, the
 model does have other bands  included in the package, which
 frankly appear to
 have  been neglected, and border on the substandard.

 The  Longwave band (153-513 kHz) of the PL-300WT  was
 thoroughly  searched
 for any possible signals at local sunset, without   any
 results. This is not
 unusual for small portables with LW  capability, but
 in  most cases, one or two
 of the  strongest beacons will at least make an
 appearance  at sunset.

 The Shortwave bands of the PL-300WT are filled with  local
 MW station spurs,
  and mixing products. The signal  of local KSUH-1450 has a
 coverage of
 about 6  Mhz on  the Tecsun's shortwave bands, from 9.5
 Mhz to 15.5 Mhz. WWV on
 10 Mhz is  really just a mixing product with KSUH.
  Legitimate SW stations
 have anemic  signal levels, to the point  of being
 crowded out by the MW spurs.
  The Tropical Band  is especially bad, with a sorry
 collection of MW
  station spurs and mixing products overpowering any
 legitimate   stations.

 Of course the argument could be made that for  a $50
 receiver, Tecsun has
 already provided an  outstanding value with the superlative,
 DSP-enhanced
  reception on the AM and FM bands. The puzzling aspect is
 why Tecsun  would
 include such dreadful LW and SW sections in a model  which
 is otherwise so
 superb. In summary, if LW or SW  reception is your top
 priority in a  portable, my
 strong  recommendation would be to avoid the PL-300WT,
 despite its
 breakthrough DSP capabilities.

 73, Gary  DeBock



  **An Excellent Credit Score is 750. See Yours
 in Just 2  Easy
 Steps!

 (http://pr.atwola.com/promoclk/100126575x1222585042x1201462767/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072hmpgID=62bcd=Jun
  

Re: [IRCA] some evidence of TP 2 June 09

2009-06-02 Thread Bill Harms

Hi Nick,

I remember receiving audio from HLAZ in June when I lived in Utah around 
1980...  I think it was about 15 June if my memory serves me, and was 
their Japanese program.  What is the closest to the Summer solstice 
that you have heard a TP from NE Asia?


Bill Harms

Nick Hall-Patch wrote:

Checked the radio for a few minutes this morning at 1120UT; there were a few 
Asian carriers around, the best being 828, 1287 and 1566 as well as one obvious 
DU (1116).   747 and 774 had audio traces which appeared to be from Japan, with 
the same sounding man on both channels (not up at the same time for a parallel 
though), and noted on both north and west Flags.



best wishes,

Nick



*
Nick Hall-Patch
Victoria, BC
Canada  


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Opinions expressed in messages on this mailing list are those of the original 
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Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM FM, A Fizzler on LW and SW

2009-06-02 Thread P A

Kevin,

No indiation that any Silicon Labs chips support SSB ... right now it looks 
like they're going after the mass consumer market.

Paul

--- On Tue, 6/2/09, sa...@sounddsl.com sa...@sounddsl.com wrote:

 From: sa...@sounddsl.com sa...@sounddsl.com
 Subject: Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM  FM, A Fizzler on LW 
 and SW
 To: Mailing list for the International Radio Club of America 
 irca@hard-core-dx.com
 Date: Tuesday, June 2, 2009, 11:20 AM
 Hey guys:
 
 I also look forward to the PL-310 and PL-380, also
 advertised as having
 DSP.  If they used the chip with SW capability, then
 these would be much
 better sets for SW listeners.  On the one hand, if
 they are otherwise the
 same performers for AM and FM one might just stick with the
 P-300WT,
 although having a keypad and perhaps other bells and
 whistles might be
 nice as well.
 
 Paul - it doesn't look there will be an SSB receiver with
 DSP, at least
 not this year: does it look like any of the Silicon Labs
 chips support
 SSB?
 
 Kevin
 
 
  Hi Paul,
 
  Thanks for the information on the PL-300WT's AM-FM DSP
 chip, and of course
  the radio's uneven performance on LW and SW certainly
 makes me agree  with
  your statements.
 
  It's obvious now that Tecsun designed the breakthrough
 DSP performance  to
  apply only on AM and FM, and the LW and SW bands are
 mediocre additions
  which  border on the defective. I myself have
 been puzzling why Tecsun
  would
  even wish  to include them in this innovative
 receiver, but I suppose that
  if
  they were  lacking, purchasers might think that
 this was only another
  typical
   AM-FM portable receiver for local reception
 (which of course would be a
  great mistake), and pass over this receiver in favor
 of its 4-band
  competitors.
 
  73, Gary
 
 
  In a message dated 6/1/2009 10:16:22 P.M. Pacific
 Daylight Time,
  texn...@yahoo.com
 writes:
 
 
  Gary,
 
  According to the ebay description of the Tecsun 
 PL-300WT (by the seller
  liypn), this radio uses the Silicon Labs Si4737
 DSP  chip which can only
  demodulate MW, FM, and the Weather Band. See slide 12
 of
  https://www.silabs.com/Marcom%20Documents/Resources/Si473x_Presentation.pdf
  and
  https://www.silabs.com/products/audiovideo/amfmreceivers/Pages/Si473637.aspx
 
  If  liypn's information is correct (verified by
 opening the radio up and
  locating  the Silicon Labs chip), Tecsun must use
 this chip for MW/FM, and
  a
  separate  non-DSP single or dual conversion
 demodulator/tuner with much
  poorer  selectivity and sensitivity for
 shortwave.
 
  For shortwave enthusiasts,  it will be
 interesting to see which one of the
  forthcoming DSP radios from  Tecsun use the
 Si4734 or Si4735 chips, which
  demodulate MW, FM, and  SW.
 
  In terms of price, the Si4737 chip starts at $3.06 in
 quantities of  10K;
  the Si4734/35 starts at $3.27 in quantities of 
 10K.
 
  Paul
 
  --- On Mon, 6/1/09, d1028g...@aol.com 
 d1028g...@aol.com
 wrote:
 
  From: d1028g...@aol.com 
 d1028g...@aol.com
  Subject: [IRCA] Tecsun PL-300WT-- A Sizzler 
 on AM  FM, A Fizzler on LW
  and SW
  To: irca@hard-core-dx.com, 
 a...@nrcdxas.org,
  ultraligh...@yahoogroups.com,
  o...@yahoogroups.com
   Date: Monday, June 1, 2009, 9:45 PM
  Hello All,
 
   Although evidence indicates that a huge
 ordering boom has
  started for  the
  DSP-enhanced Tecsun PL-300WT Ultralight radio, for
 those  of
  you still on the
   fence about this innovative pocket 
 radio, some further
  information may be
  of   interest.
 
  Tecsun's primary focus in developing this 
 breakthrough
  model appears to
  have been in transforming  the AM and FM
 circuitry to set
  new standards of
   weak-signal performance, and with
 superlative sensitivity
  and  selectivity  in
  both bands, they appear to have accomplished 
 their purpose.
  However, the
  model does have other bands  included in the
 package, which
  frankly appear to
  have  been neglected, and border on the
 substandard.
 
  The  Longwave band (153-513 kHz) of the
 PL-300WT  was
  thoroughly  searched
  for any possible signals at local sunset,
 without   any
  results. This is not
  unusual for small portables with LW 
 capability, but
  in  most cases, one or two
  of the  strongest beacons will at least make
 an
  appearance  at sunset.
 
  The Shortwave bands of the PL-300WT are filled
 with  local
  MW station spurs,
   and mixing products. The signal  of
 local KSUH-1450 has a
  coverage of
  about 6  Mhz on  the Tecsun's shortwave
 bands, from 9.5
  Mhz to 15.5 Mhz. WWV on
  10 Mhz is  really just a mixing product with
 KSUH.
   Legitimate SW stations
  have anemic  signal levels, to the
 point  of being
  crowded out by the MW spurs.
   The Tropical Band  is especially bad,
 with a sorry
  collection of MW
   station spurs and mixing products
 overpowering any
  legitimate   stations.
 
  Of course the argument could be made that
 for  a $50
  receiver, Tecsun has
  already provided an  outstanding 

Re: [IRCA] some evidence of TP 2 June 09

2009-06-02 Thread Nick Hall-Patch
Quoting Bill Harms philcob...@verizon.net:

 
 Hi Nick,
 
 I remember receiving audio from HLAZ in June when I lived in Utah around 
 1980...  I think it was about 15 June if my memory serves me, and was 
 their Japanese program.  What is the closest to the Summer solstice 
 that you have heard a TP from NE Asia?

 I've heard Asiatic audio on the solstice itself, Bill, but at coastal DX sites.
 The opening is only about half an hour in the middle of the period between
their sunset and our sunrise. 

 I don't believe I've heard audio at home, but haven't tried too hard either;
the difficult part is getting out of bed at that time, so I'll likely run some
SDR-14 recordings this year.

best wishes,

Nick

**
Nick Hall-Patch
Victoria, BC
Canada



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Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM FM, A Fizzler on LW and SW

2009-06-02 Thread satya
Thanks, Paul.  As I think about it, judging by what the PL200/e100 had
(keypad yes, no antenna jack, no RF gain, etc.), there may or may not be
much of interest to the AM and FM DXer in the PL-310/380.  Without SW, the
PL-300WT's 9/10 khz tuning jumps, plus the ability to program 500 stations
into memory, sorta makes the keypad issue a moot point. If they use the
same ferrite in all of their radios in this size range, which I strongly
suspect they will, the PL-300WT may be as good as anything.

I seem to recall that someone hooked one of these Silicon Lab chips up to
a laptop and made an impromptu SDR out of it.  One of the screens I
remember seeing was where one could select the bandwidth, from quite wide
to incredibly.  I am wondering if this ability to select BW is available
for the PL-300WT?  It may be a firmware issue that canot be user-changed,
but it would be something if the selectivity could be made even better!

Kevin S
Bainbridge Island, WA



 Kevin,

 No indiation that any Silicon Labs chips support SSB ... right now it
 looks like they're going after the mass consumer market.

 Paul


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[IRCA] WWV Solar Report

2009-06-02 Thread Ng1u
:Product: Geophysical Alert Message wwv.txt
:Issued: 2009 Jun 02 1806 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#  Geophysical Alert Message
#
Solar-terrestrial indices for 01 June follow.
Solar flux 73 and mid-latitude A-index 2.
The mid-latitude K-index at 1800 UTC on 02 June was 1 (05 nT).
No space weather storms were observed for the past 24 hours.
No space weather storms are expected for the next 24 hours.

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Trends -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Date 01   01   01   01   01   01   01   02   02   02   02   02   02   02   
UTC  0300 0600 0900 1200 1500 1800 2100  0300 0600 0900 1200 1500 1800 
SFlx 69   69   69   69   69   69   73   73   73   73   73   73   73   73   
A-in 11111132222222
K-in 02211100000101
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[IRCA] Radio (Part Three-Hundred and Eighty-Eight)

2009-06-02 Thread Ira Elbert New III

IEN-GA Ira Elbert New III, Watkinsville- GE SUPERADIO III
1120 WXJO GA Douglasville - 06/02/09 1900 - Oldies, TOH ID, and more oldies. 
Good signal with periodic deep fades. In Douglas County, We Are 1120, WXJO, 
Douglasville. (IEN-GA)
Bert New
Watkinsville, Georgia
Proudly Serving You Since 1964! 


_
Lauren found her dream laptop. Find the PC that’s right for you.
http://www.microsoft.com/windows/choosepc/?ocid=ftp_val_wl_290
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[IRCA] WWV Solar Report

2009-06-02 Thread Ng1u
:Product: Geophysical Alert Message wwv.txt
:Issued: 2009 Jun 02 2106 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#  Geophysical Alert Message
#
Solar-terrestrial indices for 02 June follow.
Solar flux 72 and estimated mid-latitude A-Index 1.
The mid-latitude K-index at 2100 UTC on 02 June was 1 (06 nT).
No space weather storms were observed for the past 24 hours.
No space weather storms are expected for the next 24 hours.

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Trends -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Date 01   01   01   01   01   01   02   02   02   02   02   02   02   02   
UTC  0600 0900 1200 1500 1800 2100  0300 0600 0900 1200 1500 1800 2100 
SFlx 69   69   69   69   69   73   73   73   73   73   73   73   73   72   
A-in 11111322222221
K-in 22111000001011
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Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM FM, A Fizzler on LW and SW

2009-06-02 Thread P A
Kevin,
 
I remember seeing this on the web somewhere (do it yourself project with a 
Silicon Labs development kit and a PC or laptop) but can't find it now. Anybody 
else have it bookmarked?
 
Paul

--- On Tue, 6/2/09, sa...@sounddsl.com sa...@sounddsl.com wrote:


From: sa...@sounddsl.com sa...@sounddsl.com
Subject: Re: [IRCA] Tecsun PL-300WT-- A Sizzler on AM  FM, A Fizzler on LW and 
SW
To: Mailing list for the International Radio Club of America 
irca@hard-core-dx.com
Date: Tuesday, June 2, 2009, 12:46 PM


...

I seem to recall that someone hooked one of these Silicon Lab chips up to
a laptop and made an impromptu SDR out of it.  One of the screens I
remember seeing was where one could select the bandwidth, from quite wide
to incredibly.  I am wondering if this ability to select BW is available
for the PL-300WT?  It may be a firmware issue that canot be user-changed,
but it would be something if the selectivity could be made even better!

Kevin S
Bainbridge Island, WA


  
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