Re: Topband: Topband - Stew Perry event just 48 hours away
Thanks Mark (and all the others who replied)! This seems to be exactly what I was looking for. I wasn't expecting any of these Web SDRs to have the type of RX antennas that contesters use. Mostly, I wanted to listen to keep my CW skills up. But it'll also be fun to see if I hear any DX. Good luck in the contest! :-) 73 Mike W0BTU SW MO On Fri, Oct 21, 2022, 12:18 PM Mark Connelly via Topband < topband@contesting.com> wrote: > There are many more SDRs online than are actually of much use for weak > signal DXing. > The map at http://rx.linkfanel.net/shows many sites. > What don't usually show are special temporary DXpedition operations. > DXpedition set-ups are typically at low noise coastal or high-altitude > sites not near urban RF congestion. "Real" antennas, i.e. with decent gain > and directivity, are typically used. For these reasons the short duration > DXpedition receivers usually blow the doors off what "permanent" sites > offer. > Long-standing, if not permanent, sites along the North Atlantic that I > have found somewhat useful, such as when I have to disconnect my own stuff > during lightning storms, include the following: > Stratford, PEI, Canadahttp://47.54.214.91:8073/ > Rockport, ME, USAhttp://rx2.wa2zkd.net:8073/ > E. Falmouth, MA, USAhttp://kb1vwc.ddns.net:8073/ > Elizabeth City, NC, USAhttp://kiwisdr.ku4by.com:8073/ > Boca Raton, FL, USAhttp://boca.homeip.net:8073/ > Kralendijk, Bonairehttp://bon.twrmon.net:8073/ > --- > Fuerteventura, Canary Islandshttp://ea8bfk.ddns.net:8075/ > Bjargtangar, Icelandhttp://tangar.utvarp.com:8073/ > Ireland (NW)http://irelandnorthwest.proxy.kiwisdr.com:8073/ > = > Antenna on most/all of the above should be considered non-directional, ... > _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Re: Topband: Topband - Stew Perry event just 48 hours away
And Robin is a guy who's been on these trips. 73, Jim K9YC On 10/21/2022 11:06 AM, Robin wrote: And that period at and after sunrise is MUCH quieter considering that more than half of the directions for propagated noise sources have been reduced or eliminated. Depending on where you are that reduction can be quite dramatic, again indicating the need for experienced topband operators on DXpeditions.- and operational planning that includes the "extra" time on the lowbands. The time at sunrise +/- 2 hours is when the maximum possible number of expedition stations should be fully manned and active. "Home" stations with directional advantages can benefit similarly if not subjected to "urban" noise floor limiting. Robin, WA6CDR - Original Message - From: "Jim Brown" To: Sent: Friday, October 21, 2022 10:34 Subject: Re: Topband: Topband - Stew Perry event just 48 hours away On 10/21/2022 10:18 AM, Mark Connelly via Topband wrote: DXpedition set-ups are typically at low noise coastal or high-altitude sites not near urban RF congestion. "Real" antennas, i.e. with decent gain and directivity, are typically used. For these reasons the short duration DXpedition receivers usually blow the doors off what "permanent" sites offer. YES! I often find that I can work the better expeditions QRP after the initial rush has died down, even on Topband. Where this breaks down is when expeditions QSY from lower bands at the first sign of daylight, failing to understand that gray line propagation is usually strongest on the daylight side of the terminator! On Topband, it's often great for 30-45 minutes, on 80 it's an hour, on 40 it's two hours. 73, Jim K9YC _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Re: Topband: Topband - Stew Perry event just 48 hours away
And that period at and after sunrise is MUCH quieter considering that more than half of the directions for propagated noise sources have been reduced or eliminated. Depending on where you are that reduction can be quite dramatic, again indicating the need for experienced topband operators on DXpeditions.- and operational planning that includes the "extra" time on the lowbands. The time at sunrise +/- 2 hours is when the maximum possible number of expedition stations should be fully manned and active. "Home" stations with directional advantages can benefit similarly if not subjected to "urban" noise floor limiting. Robin, WA6CDR - Original Message - From: "Jim Brown" To: Sent: Friday, October 21, 2022 10:34 Subject: Re: Topband: Topband - Stew Perry event just 48 hours away On 10/21/2022 10:18 AM, Mark Connelly via Topband wrote: DXpedition set-ups are typically at low noise coastal or high-altitude sites not near urban RF congestion. "Real" antennas, i.e. with decent gain and directivity, are typically used. For these reasons the short duration DXpedition receivers usually blow the doors off what "permanent" sites offer. YES! I often find that I can work the better expeditions QRP after the initial rush has died down, even on Topband. Where this breaks down is when expeditions QSY from lower bands at the first sign of daylight, failing to understand that gray line propagation is usually strongest on the daylight side of the terminator! On Topband, it's often great for 30-45 minutes, on 80 it's an hour, on 40 it's two hours. 73, Jim K9YC _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Re: Topband: Topband - Stew Perry event just 48 hours away
On 10/21/2022 10:18 AM, Mark Connelly via Topband wrote: DXpedition set-ups are typically at low noise coastal or high-altitude sites not near urban RF congestion. "Real" antennas, i.e. with decent gain and directivity, are typically used. For these reasons the short duration DXpedition receivers usually blow the doors off what "permanent" sites offer. YES! I often find that I can work the better expeditions QRP after the initial rush has died down, even on Topband. Where this breaks down is when expeditions QSY from lower bands at the first sign of daylight, failing to understand that gray line propagation is usually strongest on the daylight side of the terminator! On Topband, it's often great for 30-45 minutes, on 80 it's an hour, on 40 it's two hours. 73, Jim K9YC _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Re: Topband: Topband - Stew Perry event just 48 hours away
There are many more SDRs online than are actually of much use for weak signal DXing. The map at http://rx.linkfanel.net/shows many sites. What don't usually show are special temporary DXpedition operations. DXpedition set-ups are typically at low noise coastal or high-altitude sites not near urban RF congestion. "Real" antennas, i.e. with decent gain and directivity, are typically used. For these reasons the short duration DXpedition receivers usually blow the doors off what "permanent" sites offer. Long-standing, if not permanent, sites along the North Atlantic that I have found somewhat useful, such as when I have to disconnect my own stuff during lightning storms, include the following: Stratford, PEI, Canadahttp://47.54.214.91:8073/ Rockport, ME, USAhttp://rx2.wa2zkd.net:8073/ E. Falmouth, MA, USAhttp://kb1vwc.ddns.net:8073/ Elizabeth City, NC, USAhttp://kiwisdr.ku4by.com:8073/ Boca Raton, FL, USAhttp://boca.homeip.net:8073/ Kralendijk, Bonairehttp://bon.twrmon.net:8073/ --- Fuerteventura, Canary Islandshttp://ea8bfk.ddns.net:8075/ Bjargtangar, Icelandhttp://tangar.utvarp.com:8073/ Ireland (NW)http://irelandnorthwest.proxy.kiwisdr.com:8073/ = Antenna on most/all of the above should be considered non-directional, at least by what I'm hearing. There had been useful receivers at Key West, FL and in the Dominican Republic but those are no longer active. There was also something on the western shore of South Africa - that one also gone. There's one in Trinidad which should be useful but is deaf / noisy. Mark Connelly, WA1ION | South Yarmouth, MA | FN41vq -Original Message- Message: 1 Date: Thu, 20 Oct 2022 11:10:36 -0500 From: Mike Waters To: Tree Cc: 160 , CQ-Contest Reflector Subject: Re: Topband: Topband - Stew Perry event just 48 hours away Message-ID: Content-Type: text/plain; charset="UTF-8" My 160m antennas are all down, but I'd love to listen! Can anyone suggest a Web SDR with usable CW 160m reception? TIA! Mike W0BTU On Thu, Oct 20, 2022, 9:41 AM Tree wrote: > The "Low Band Jack" version of the Stew Perry contest will be held this > weekend, starting at 1500Z on Saturday. > -- End of Topband Digest, Vol 238, Issue 10 _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Re: Topband: Topband - Stew Perry event just 48 hours away
My 160m antennas are all down, but I'd love to listen! Can anyone suggest a Web SDR with usable CW 160m reception? TIA! Mike W0BTU On Thu, Oct 20, 2022, 9:41 AM Tree wrote: > The "Low Band Jack" version of the Stew Perry contest will be held this > weekend, starting at 1500Z on Saturday. > _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Topband: Topband - Stew Perry event just 48 hours away
The "Low Band Jack" version of the Stew Perry contest will be held this weekend, starting at 1500Z on Saturday. We shall see how the increase is sunspots is affecting that band. This is one of four Stew Perry events held throughout the year and provide a stress-free evening of fun on the band filled with CW signals. The exchange is your four-digit grid square, and you get (and give) more the number of points you get for the QSO increase by its distance. For more information - check out kkn.net/stew 73 Tree N6TR / K7RAT _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
