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Splatter +/-110kHz from 9735kHz?
Noticed this last night and tonight. Is it my radio or are others hearing
the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. Tom |
"Tom Holden" wrote in message
.. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. Tom |
On Mon, 2 May 2005 23:02:18 -0400, "Tom Holden"
wrote: "Tom Holden" wrote in message . .. Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. Tom DW could be having a gross tuning problem. Most tx'ers are automatically tuned from presets unless they happen to be solid state. It's possible they may have had a malfunction in the disciminator that tunes the selsyn motors that tune the caps, or one of the tuning belt slipped, but you would think they would catch on quickly to that. It's happened to us at VoA before. The other possibility is that their final tube in that tx'er (assuming it's not solid-state) is about to throw craps. It could very well be detuning itself enough to throw out that garbage. If I read your post correctly, I doubt it's a receiver issue since you appear to be hearing it on both. If it doesn't happen again the next day, you probably can safely assume that DW had a problem and just didn't catch it promptly! Al in CNMI ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
Tom Holden wrote:
"Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote:
Tom Holden wrote: "Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- That's actually a good point. I wonder if the radios' proximity to each other could be causing an issue as well? If the IF's are off, it could be a case of intermod by injection, but that is so rare as to be a long shot. Hope he does get back to us on what he finds. Al in CNMI ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
"Tebojockey" wrote in message
... On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote: Tom Holden wrote: "Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- That's actually a good point. I wonder if the radios' proximity to each other could be causing an issue as well? If the IF's are off, it could be a case of intermod by injection, but that is so rare as to be a long shot. Hope he does get back to us on what he finds. Al in CNMI Both radios are DX-394's. The 910 kHz offset signal would be a 2nd IF image on one side only, and would be carrier with sidebands, not carrier-less splatter. The splatter is there with only one radio operating so it's not radio interaction. I sent a message to DW - we'll see if they reply or it clears up! Tom |
On Tue, 3 May 2005 07:13:41 -0400, "Tom Holden"
wrote: "Tebojockey" wrote in message .. . On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote: Tom Holden wrote: "Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- That's actually a good point. I wonder if the radios' proximity to each other could be causing an issue as well? If the IF's are off, it could be a case of intermod by injection, but that is so rare as to be a long shot. Hope he does get back to us on what he finds. Al in CNMI Both radios are DX-394's. The 910 kHz offset signal would be a 2nd IF image on one side only, and would be carrier with sidebands, not carrier-less splatter. The splatter is there with only one radio operating so it's not radio interaction. I sent a message to DW - we'll see if they reply or it clears up! Tom Cool! Let us know what happens. Are you still hearing it? Like the next day after? If so, it seems hard to believe that the DW relay station would not be aware of it, but you may save them some real embarassment if you call their attention to it. Good on ya, Tom! Al in CNMI ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
"Tebojockey" wrote in message
... On Tue, 3 May 2005 07:13:41 -0400, "Tom Holden" wrote: "Tebojockey" wrote in message . .. On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote: Tom Holden wrote: "Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- That's actually a good point. I wonder if the radios' proximity to each other could be causing an issue as well? If the IF's are off, it could be a case of intermod by injection, but that is so rare as to be a long shot. Hope he does get back to us on what he finds. Al in CNMI Both radios are DX-394's. The 910 kHz offset signal would be a 2nd IF image on one side only, and would be carrier with sidebands, not carrier-less splatter. The splatter is there with only one radio operating so it's not radio interaction. I sent a message to DW - we'll see if they reply or it clears up! Tom Cool! Let us know what happens. Are you still hearing it? Like the next day after? If so, it seems hard to believe that the DW relay station would not be aware of it, but you may save them some real embarassment if you call their attention to it. Good on ya, Tom! Al in CNMI Two days in a row and not on any other station this evening. The 9735kHz broadcast schedule from Bonaire is 0200-0600UTC. I'm hoping someone else will check for splatter at 9845 and 9625, too. It's 01:51 UT now - I'm standing by... Tom |
"Tom Holden" wrote in message .. . "Tebojockey" wrote in message ... On Tue, 3 May 2005 07:13:41 -0400, "Tom Holden" wrote: "Tebojockey" wrote in message ... On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote: Tom Holden wrote: "Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- That's actually a good point. I wonder if the radios' proximity to each other could be causing an issue as well? If the IF's are off, it could be a case of intermod by injection, but that is so rare as to be a long shot. Hope he does get back to us on what he finds. Al in CNMI Both radios are DX-394's. The 910 kHz offset signal would be a 2nd IF image on one side only, and would be carrier with sidebands, not carrier-less splatter. The splatter is there with only one radio operating so it's not radio interaction. I sent a message to DW - we'll see if they reply or it clears up! Tom Cool! Let us know what happens. Are you still hearing it? Like the next day after? If so, it seems hard to believe that the DW relay station would not be aware of it, but you may save them some real embarassment if you call their attention to it. Good on ya, Tom! Al in CNMI Two days in a row and not on any other station this evening. The 9735kHz broadcast schedule from Bonaire is 0200-0600UTC. I'm hoping someone else will check for splatter at 9845 and 9625, too. It's 01:51 UT now - I'm standing by... Tom There it is again - 3 days running. Interestingly, Bonaire transmits on 9845 almost up to 0200 but the 9735 transmitter is on with carrier only before 0200 and before 9845 shuts off so it's not the same transmitter. The splatter is a little easier to detect tonight at 9850 and 9630 due to other stations coming in tonight on 9845 and 9625. Does anybody else hear it? Tom |
In article ,
"Tom Holden" wrote: "Tom Holden" wrote in message .. . "Tebojockey" wrote in message ... On Tue, 3 May 2005 07:13:41 -0400, "Tom Holden" wrote: "Tebojockey" wrote in message ... On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote: Tom Holden wrote: "Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- That's actually a good point. I wonder if the radios' proximity to each other could be causing an issue as well? If the IF's are off, it could be a case of intermod by injection, but that is so rare as to be a long shot. Hope he does get back to us on what he finds. Al in CNMI Both radios are DX-394's. The 910 kHz offset signal would be a 2nd IF image on one side only, and would be carrier with sidebands, not carrier-less splatter. The splatter is there with only one radio operating so it's not radio interaction. I sent a message to DW - we'll see if they reply or it clears up! Tom Cool! Let us know what happens. Are you still hearing it? Like the next day after? If so, it seems hard to believe that the DW relay station would not be aware of it, but you may save them some real embarassment if you call their attention to it. Good on ya, Tom! Al in CNMI Two days in a row and not on any other station this evening. The 9735kHz broadcast schedule from Bonaire is 0200-0600UTC. I'm hoping someone else will check for splatter at 9845 and 9625, too. It's 01:51 UT now - I'm standing by... Tom There it is again - 3 days running. Interestingly, Bonaire transmits on 9845 almost up to 0200 but the 9735 transmitter is on with carrier only before 0200 and before 9845 shuts off so it's not the same transmitter. The splatter is a little easier to detect tonight at 9850 and 9630 due to other stations coming in tonight on 9845 and 9625. Does anybody else hear it? I just checked and did not hear the splatter around 04:00 UTC. I noted DW went off the air for a minute around 03:59 UTC. I have stations on 9625 and 9630 but nothing on 9845 and 9850. DW is very strong at S10 on 9735. -- Telamon Ventura, California |
Telamon wrote: In article , "Tom Holden" wrote: "Tom Holden" wrote in message .. . "Tebojockey" wrote in message ... On Tue, 3 May 2005 07:13:41 -0400, "Tom Holden" wrote: "Tebojockey" wrote in message ... On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote: Tom Holden wrote: "Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. That's actually a good point. I wonder if the radios' proximity to each other could be causing an issue as well? If the IF's are off, it could be a case of intermod by injection, but that is so rare as to be a long shot. Hope he does get back to us on what he finds. Al in CNMI Both radios are DX-394's. The 910 kHz offset signal would be a 2nd IF image on one side only, and would be carrier with sidebands, not carrier-less splatter. The splatter is there with only one radio operating so it's not radio interaction. I sent a message to DW - we'll see if they reply or it clears up! Tom Cool! Let us know what happens. Are you still hearing it? Like the next day after? If so, it seems hard to believe that the DW relay station would not be aware of it, but you may save them some real embarassment if you call their attention to it. Good on ya, Tom! Al in CNMI Two days in a row and not on any other station this evening. The 9735kHz broadcast schedule from Bonaire is 0200-0600UTC. I'm hoping someone else will check for splatter at 9845 and 9625, too. It's 01:51 UT now - I'm standing by... Tom There it is again - 3 days running. Interestingly, Bonaire transmits on 9845 almost up to 0200 but the 9735 transmitter is on with carrier only before 0200 and before 9845 shuts off so it's not the same transmitter. The splatter is a little easier to detect tonight at 9850 and 9630 due to other stations coming in tonight on 9845 and 9625. Does anybody else hear it? I just checked and did not hear the splatter around 04:00 UTC. I noted DW went off the air for a minute around 03:59 UTC. I have stations on 9625 and 9630 but nothing on 9845 and 9850. DW is very strong at S10 on 9735. -- Telamon Ventura, California Hmmm. Not sure that that means my radio is at fault. I flipped in the 20 dB attenuator and could still detect the peak splatter. Without the pad, it was sometimes strong enough to kick the meter off S0. What do you mean by S10? The S-scale runs 0-9 and then decibels above S9. If your meter was pointing to a 10 next to S9, then that would be S9+10dB, not an especially strong signal. As each S-unit is nominally 6dB, that would be around 60-some dB above S0. If the splatter is 80dB below the carrier, you probably would not hear it. However, if your meter is pinned by the carrier, that means the carrier signal strength is greater than S9+40 or +60 dB (mine roofs at +40) and the splatter strength would move the meter and be very audible, provided there is not a much stronger station in the same spectrum as the splatter energy. I'm looking to hear from somebody who receives the 9735kHz carrier at meter pinning strength to be certain it's the transmitter and not my receivers. All the evidence so far weighs heavily towards the trasnmitter. Thanks for the report. Appreciate if you'd look again tonight. Tom |
Strong splatter from DW program relayed via RN Bonaire on 9735 KHz now heard
4 days consecutively. I hear it at and around 9845kHz and 9625 kHz, i.e., +/-110kHz. Pretty sure it's not caused by receivers (DX-394) because: a) Cannot imagine what mechanism would cause symetrical intermod product like this b) Splatter is attenuated proportional to signal by inserting the 20dB pad so does not behave as an overload would c) Splatter is unintelligible, has no carrier and does not appear to have spectral distribution conforming to a sideband so does not look like an internal intermod product or leakage through IF filters d) I don't observe this problem with other strong stations in the same band To be sure, I need confirmation that someone else hears it. The transmission schedule is 0200-0600UT to North America and you probably need to receive 9735 at needle pinning signal strength to hear the splatter. It helps to have two radios, one tuned to either splatter frequency, the other to 9735 so you can hear the synchronisation between the splatter and the program. DXing transmitter faults - now there's a new wrinkle to SWL! Tom |
In article .com,
"Tom" wrote: Telamon wrote: In article , "Tom Holden" wrote: "Tom Holden" wrote in message .. . "Tebojockey" wrote in message ... On Tue, 3 May 2005 07:13:41 -0400, "Tom Holden" wrote: "Tebojockey" wrote in message ... On Mon, 02 May 2005 20:50:32 -0700, running dogg wrote: Tom Holden wrote: "Tom Holden" wrote in message .. . Noticed this last night and tonight. Is it my radio or are others hearing the same thing? German language transmission booming into Toronto at 9735 from 0200 with distorted splatter around 9845 and 9625kHz. So it is Deutsche Welle transmitting from Bonaire. The splatter is unintelligible but synchronised with modulation peaks, especially strong with deep male voices. There is no carrier that I can detect at the splatter frequencies and SSB reception mode does not derive anything intelligible. The splatter spectrum seems fairly wide although the presence of adjacent stations renders these observations difficult. I can't think of any receiver overload or intermod process that would result in symmetrical splatter but I am using two identical radios to listen to the 9735 program and one of the splatter sidebands so there could be a common receiver problem. There is less interference to the splatter on 9845. What radios are you using? My guess would be some sort of IF problem. If both radios use the same IF then it could be overloading the circuits and causing the problem. Some radios can cause symmetrical splatter (as you put it) on both sides of the main freq, usually 910 khz below and above. That's actually a good point. I wonder if the radios' proximity to each other could be causing an issue as well? If the IF's are off, it could be a case of intermod by injection, but that is so rare as to be a long shot. Hope he does get back to us on what he finds. Al in CNMI Both radios are DX-394's. The 910 kHz offset signal would be a 2nd IF image on one side only, and would be carrier with sidebands, not carrier-less splatter. The splatter is there with only one radio operating so it's not radio interaction. I sent a message to DW - we'll see if they reply or it clears up! Tom Cool! Let us know what happens. Are you still hearing it? Like the next day after? If so, it seems hard to believe that the DW relay station would not be aware of it, but you may save them some real embarassment if you call their attention to it. Good on ya, Tom! Al in CNMI Two days in a row and not on any other station this evening. The 9735kHz broadcast schedule from Bonaire is 0200-0600UTC. I'm hoping someone else will check for splatter at 9845 and 9625, too. It's 01:51 UT now - I'm standing by... Tom There it is again - 3 days running. Interestingly, Bonaire transmits on 9845 almost up to 0200 but the 9735 transmitter is on with carrier only before 0200 and before 9845 shuts off so it's not the same transmitter. The splatter is a little easier to detect tonight at 9850 and 9630 due to other stations coming in tonight on 9845 and 9625. Does anybody else hear it? I just checked and did not hear the splatter around 04:00 UTC. I noted DW went off the air for a minute around 03:59 UTC. I have stations on 9625 and 9630 but nothing on 9845 and 9850. DW is very strong at S10 on 9735. -- Telamon Ventura, California Hmmm. Not sure that that means my radio is at fault. I flipped in the 20 dB attenuator and could still detect the peak splatter. Without the pad, it was sometimes strong enough to kick the meter off S0. What do you mean by S10? The S-scale runs 0-9 and then decibels above S9. If your meter was pointing to a 10 next to S9, then that would be S9+10dB, not an especially strong signal. As each S-unit is nominally 6dB, that would be around 60-some dB above S0. If the splatter is 80dB below the carrier, you probably would not hear it. However, if your meter is pinned by the carrier, that means the carrier signal strength is greater than S9+40 or +60 dB (mine roofs at +40) and the splatter strength would move the meter and be very audible, provided there is not a much stronger station in the same spectrum as the splatter energy. I'm looking to hear from somebody who receives the 9735kHz carrier at meter pinning strength to be certain it's the transmitter and not my receivers. All the evidence so far weighs heavily towards the trasnmitter. Thanks for the report. Appreciate if you'd look again tonight. By S10 I shortened S9+10dB. That's about -60 dBm or about 1 nW on my radios. I don't generally get signals larger than S9+10dB. That is strong enough for me to turn up the volume as loud as I want and not hear any background noise or hiss. -- Telamon Ventura, California |
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