Hi Bill, Please explain yourself ... If it is in the range of a normal OM, I would follow ...
73 de Hajo dl1sdz --- Cela est bien dit, mais il faut cultiver notre jardin. http://hajos-kontrapunkte.blogspot.de/ Dr. William J. Schmidt <[email protected]> schrieb am Sa., 3. März 2018, 23:14: > Yeah... I didn't wait. I built my own... > > > Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ > > Owner - Operator > Big Signal Ranch – K9ZC > Staunton, Illinois > > Owner – Operator > Villa Grand Piton – J68HZ > Soufriere, St. Lucia W.I. > Rent it: www.VillaGrandPiton.com > Like us on Facebook! > > Moderator – North American QRO Yahoo Group. > > email: [email protected] > > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Hajo Dezelski > Sent: Saturday, March 3, 2018 3:06 PM > To: Wayne Burdick <[email protected]> > Cc: Elecraft Reflector <[email protected]> > Subject: Re: [Elecraft] Extreme QRPp using the KX2, KX3 > > Hi , > > wouldn't it be great if there was an additional sensor for the Wattmeter > W2 for the Qrp-Guys 1-54 Mhz and 0.01 - 20 Watt? > > Who needs a 200 Watt version if you only have the Kx-Line ;-) I really > would consider buying a qrp-version. > > 73 de > > Hajo dl1sdz > > --- > Cela est bien dit, mais il faut cultiver notre jardin. > > > http://hajos-kontrapunkte.blogspot.de/ > > > > Wayne Burdick <[email protected]> schrieb am Sa., 3. März 2018 16:49: > > > Power output on the KX2, KX3, K3 and K3S can be set as low as 0.1 W > > directly using the PWR control. > > > > However, you can actually set power output to much lower levels (< 1 > > milliwatt), with fine control, by turning off ALC in the menu and > > adjusting the drive level manually. > > > > Here’s the recommended procedure for accurately setting power to > > levels below 0.1 watt: > > > > 1. Connect an external milliwatt meter between the transceiver and the > > antenna or dummy load. If you don’t have such a meter, you can > > alternatively connect a dummy load (such as the Elecraft DL2) then use > > an oscilloscope or an RF voltmeter. (The DL2 includes a rectifier so > > you can just use a DC voltmeter. The manual for the DL2 provides a > > translation from DC volts to power level.) > > > > 2. For most accurate results, bypass the ATU. This is done in the menu > > on the KX2 and KX3. The K3/K3S has an ATU switch function on the front > > panel for this purpose. > > > > 3. Start with PWR set to 0.1 W and verify that you hit about this > > level on the external meter. Hold TUNE to generate a continuous > > carrier. (This automatically switches to CW mode temporarily, even if > > you’re using a different mode.) Then exit TUNE by tapping XMIT. > > > > Note: The 0.1-W level is not well-calibrated at the rig’s internal > > wattmeter, because this only forward-biases the rig’s SWR detector > > diodes by a small amount. Also, the SWR (shown on VFO A) will appear > > as “--“, because reflected power will be too low to accurately calculate > it. > > > > 5. Go into the menu and turn off TX ALC. This is done using the TX > > GAIN menu entry on the KX2 (page 41 of the manual) or KX3 (page 49). > > Use the CONFIG:TX ALC menu entry on the K3 or K3S (approx. page 66). > > > > Note: On all of the rigs, the TECH MD menu entry must be set to ON in > > order to see the TX GAIN or TX ALC menu entries. This is a precaution > > to make sure such menu settings are not changed unintentionally. On > > the KX2 and KX3, you also need to UNLOCK the ALC on/off feature as > > explained in the manual (MENU section). > > > > 6. With ALC turned OFF, the PWR control now directly controls the > > transmit drive level in fine increments. I just tested my lab KX2 and > > found I could set the power smoothly down to as low as about 1/2 > milliwatt. > > > > When you have ALC turned off, the PWR display (on VFO B) will include > > an asterisk (*) as a reminder. It will not show actual power level for > > reasons described above. An external metering method will be needed to > > dial in the desired level. > > > > Wayne > > N6KR > > > > > > > > > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net Please help support this email > > list: http://www.qsl.net/donate.html Message delivered to > > [email protected] > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > > > --- > This email has been checked for viruses by AVG. > http://www.avg.com > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
