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I have a 6 meter beacon, 50.63 MHz, about three miles from my house. I can hear what sounds like key clicks up to 60.250 MHz. Could this be front end overload? I have a K3s with a three element beam abut 20 feet.
Ray W8LYJ Sent from my iPad ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Ray,
It could be that the beacon is actually generating those keyclicks. Try turning off the preamp in the K3S and or turn your beam so the side is toward the beacon. Are the keyclicks eliminated? If so, it may be too strong a signal into the K3S, but if they continue, they are likely being generated by the beacon. Remember that the K3S has input protection. In the form of a Carrier Operated Relay and has a mechanism to turn off the preamp if the signal is too strong. If you tune to the beacon frequency, turn on the preamp and point your beam at the beacon do you hear the COR relay clicking in the K3S or is the preamp turned off automatically? If so, that is too much signal into the K3S. 73, Don W3FPR On 1/29/2016 9:21 AM, Gmail wrote: > I have a 6 meter beacon, 50.63 MHz, about three miles from my house. I can hear what sounds like key clicks up to 60.250 MHz. Could this be front end overload? I have a K3s with a three element beam abut 20 feet. > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by rcbenedict1545
Turn on the 15 db attenuator in the receiver or put a 20 dB attenuator
in the line from your antenna to receiver. If the key clicks continue, it is a good bet they are being transmitted. If they go away, it is front end or mixer overload. On 1/29/2016 8:21 AM, Gmail wrote: > I have a 6 meter beacon, 50.63 MHz, about three miles from my house. I can hear what sounds like key clicks up to 60.250 MHz. Could this be front end overload? I have a K3s with a three element beam abut 20 feet. > Ray > W8LYJ > > Sent from my iPad > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [hidden email] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by Don Wilhelm-4
Thanks Don,
Using yours and others suggestions I determined it was the transmitter. Ray W8LYJ Sent from my iPad > On Jan 29, 2016, at 09:36, Don Wilhelm <[hidden email]> wrote: > > Ray, > > It could be that the beacon is actually generating those keyclicks. > Try turning off the preamp in the K3S and or turn your beam so the side is toward the beacon. > Are the keyclicks eliminated? If so, it may be too strong a signal into the K3S, but if they continue, they are likely being generated by the beacon. > > Remember that the K3S has input protection. In the form of a Carrier Operated Relay and has a mechanism to turn off the preamp if the signal is too strong. > If you tune to the beacon frequency, turn on the preamp and point your beam at the beacon do you hear the COR relay clicking in the K3S or is the preamp turned off automatically? If so, that is too much signal into the K3S. > > 73, > Don W3FPR > >> On 1/29/2016 9:21 AM, Gmail wrote: >> I have a 6 meter beacon, 50.63 MHz, about three miles from my house. I can hear what sounds like key clicks up to 60.250 MHz. Could this be front end overload? I have a K3s with a three element beam abut 20 feet. > Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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Probably an Icom, they are bad for key clicks. Check his website or
QRZ page and see if it says what he is using for the beacon. Ken WA8JXM On 1/29/16 11:33 AM, Gmail wrote: > Thanks Don, > Using yours and others suggestions I determined it was the transmitter. > Ray > W8LYJ ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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In reply to this post by rcbenedict1545
On Fri,1/29/2016 6:21 AM, Gmail wrote:
> I have a 6 meter beacon, 50.63 MHz, about three miles from my house. I can hear what sounds like key clicks up to 60.250 MHz. Could this be front end overload? Very unlikely. Is your Noise Blanker turned on? That can cause clicks. Otherwise, I'd say the beacon has REALLY bad clicks. Clicks should not be audible farther than 2 kHz from a signal, and even that would be considered dirty. 73, Jim K9YC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[hidden email] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [hidden email] |
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