W2 Wattmeter idea
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I just ordered a W2 wattmeter, haven't received it yet, and I already
want to change something! It displays forward power and SWR. When the SWR is 1:1, then the power output of the transmitter is equal to the forward power. But when it is greater than 1:1, then the actual power output is the forward power LESS the reflected power. I would like an option to display this output power, forward less reflected. This could probably be done in the firmware, a "SMOP" as Wayne likes to say. I realize that this does not tell you the power delivered to the antenna, for which you would need to know the line loss. But it is still a more useful indication than just the forward power. -- Vic K2VCO Fresno CA http://www.qsl.net/k2vco/ ______________________________________________________________ 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 |
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For what it might be worth, my Power Master 2 from Array Solutions has an option called “Net Power” that does exactly what you want. 73 KD7GC Alan R. Downing Phoenix, AZ From: Vic K2VCO-2 [via Elecraft] [mailto:[hidden email]] I just ordered a W2 wattmeter, haven't received it yet, and I already If you reply to this email, your message will be added to the discussion below: http://elecraft.365791.n2.nabble.com/W2-Wattmeter-idea-tp7582024.html To unsubscribe from Elecraft, click here. |
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In reply to this post by Vic Rosenthal
I use an Alpha 4510 Power/SWR Meter and it does have a power
delivered/forward setting just for that. That setting takes all of these factors into consideration for the final product it reads from .03-3000w. That is the reason for my trusted Oak Hills Research WM-2 QRP wattmeter still in line for my KX3. 73, Fred/N0AZZ K3 Ser # 6730--KX3 # 5210--K2/100 # 6470-KAT100 P3/SVGA--KAT500--W2 Amps Elecraft KPA500 HF/6m--Alpha's 9500 HF--87A HF--Mirage B-5030-G 300+w--(2) B-5016-G's 165w 2m -----Original Message----- From: [hidden email] [mailto:[hidden email]] On Behalf Of Vic Rosenthal K2VCO Sent: Tuesday, December 24, 2013 8:08 PM To: Elecraft Reflector Subject: [Elecraft] W2 Wattmeter idea I just ordered a W2 wattmeter, haven't received it yet, and I already want to change something! It displays forward power and SWR. When the SWR is 1:1, then the power output of the transmitter is equal to the forward power. But when it is greater than 1:1, then the actual power output is the forward power LESS the reflected power. I would like an option to display this output power, forward less reflected. This could probably be done in the firmware, a "SMOP" as Wayne likes to say. I realize that this does not tell you the power delivered to the antenna, for which you would need to know the line loss. But it is still a more useful indication than just the forward power. -- Vic K2VCO Fresno CA http://www.qsl.net/k2vco/ ______________________________________________________________ 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 ______________________________________________________________ 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 |
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In reply to this post by Vic Rosenthal
Dr Vic,
Iam using K2 and LP-100A Wattmeter for my remotely controlled station, both works fine. The K2 accuracy for SWR upto 2 is enough good (10%). If you need more sophisticated Wattmeter, use the LP-100A. http://www.telepostinc.com/lp100.html LP-100A can indicate the pure FWD power. And many other parameters. 73, MX and HNY2014 Milan, OK7GU www.ok7gu.com > > > ------------------------------ > > Message: 3 > Date: Tue, 24 Dec 2013 18:08:17 -0800 > From: Vic Rosenthal K2VCO <[hidden email]> > To: Elecraft Reflector <[hidden email]> > Subject: [Elecraft] W2 Wattmeter idea > Message-ID: <[hidden email]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > I just ordered a W2 wattmeter, haven't received it yet, and I already > want to change something! > > It displays forward power and SWR. When the SWR is 1:1, then the power > output of the transmitter is equal to the forward power. But when it is > greater than 1:1, then the actual power output is the forward power LESS > the reflected power. > > I would like an option to display this output power, forward less > reflected. This could probably be done in the firmware, a "SMOP" as > Wayne likes to say. > > I realize that this does not tell you the power delivered to the > antenna, for which you would need to know the line loss. But it is still > a more useful indication than just the forward power. > ______________________________________________________________ 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 |
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