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#1
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Chinese duplexers
On 8/30/2011 5:13 PM, Jim Lux wrote:
What about VoIP using 802.11 as the link. These days, that might be easier than trying to cobble up a 440 remote link. Joy! I am going to sit back and see how this suggestion evolves. tom K0TAR |
#2
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Chinese duplexers
tom wrote:
I am going to sit back and see how this suggestion evolves. Look at SVXLINK. It's an open source package that runs on Linux (and possibly BSD) that does exactly that. It includes support for remote receivers (with a voting option), remote transmitters, and an echolink server. We plan to use it with hard wired internet links, but who knows, an 802.11 link could work. Unlike the US we are restricted to 100mW EIRP, so no gain antennas, etc, to make things work better. Geoff. -- Geoffrey S. Mendelson N3OWJ/4X1GM Making your enemy reliant on software you support is the best revenge. |
#3
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Chinese duplexers
Geoffrey S. Mendelson wrote:
We plan to use it with hard wired internet links, but who knows, an 802.11 link could work. Unlike the US we are restricted to 100mW EIRP, so no gain antennas, etc, to make things work better. Do you have a transmit ban on 802.11 channels in 4X too? We as hams in the Netherlands are no longer allowed to transmit above 2400 MHz except to an amateur satellite. |
#4
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Chinese duplexers
Rob wrote:
Do you have a transmit ban on 802.11 channels in 4X too? We as hams in the Netherlands are no longer allowed to transmit above 2400 MHz except to an amateur satellite. There is a limit of 100mW EIRP for 2400-2450 mHz for terrestrial use, with a limit of 100W EIRP to satellites in the 2400-2402 mHz part of the band. This is from a document on the Ministry of Communicatons website, dated 1999. It has been unchanged except for the addition of 7.100-7.200 mHz so they never bothered to update it. The difference between a 100mW limit and an outright ban in practice is very little IMHO. For example, you can turn off encryption and use a WiFi device as a packet radio, or you can call CQ on your cordless phone. :-( Geoff. -- Geoffrey S. Mendelson N3OWJ/4X1GM Making your enemy reliant on software you support is the best revenge. |
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