Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-11 Thread Peter Dougherty
h.net On Behalf Of Dave Sent: Monday, March 11, 2019 8:52 PM Cc: Reflector Elecraft Subject: Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!** Pete, I had a similar problemon lower end of 80 meters. Fix for me was to ground outer jacket of all antenna cables where they enter the

Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-11 Thread Dave
Pete, I had a similar problemon lower end of 80 meters. Fix for me was to ground outer jacket of all antenna cables where they enter the house. This eliminated common mode current coming into the shack on a second coax. Check your RX antenna cable, which does not go through the RCS-12. Dave

Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-11 Thread Jim Brown
On 3/11/2019 1:40 PM, Peter Dougherty wrote: I've got my bonding about as good as I can get it for the moment, although I'm probably going to do some improvements this year. The lightning arrestors are built in to the RCS-12 antenna switchbox (RCS-12L with the gas discharge tubes), and

Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-11 Thread Peter Dougherty
19 2:18 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!** On 3/10/2019 10:33 PM, Peter Dougherty wrote: > I have a 30 foot vertical ground-plane style antenna that I use for diversity RX on 40 and 80, which was connected to the AUX

Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-11 Thread Peter Dougherty
@mailman.qth.net Subject: Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!** I am not sure how a second antenna effects the amplifier, I believe that the K3(S) has a safeguard from some overload conditions. If your RX antenna is close to your TX and you run HP, I would protect your

Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-11 Thread Jim Brown
On 3/10/2019 10:33 PM, Peter Dougherty wrote: I have a 30 foot vertical ground-plane style antenna that I use for diversity RX on 40 and 80, which was connected to the AUX antenna port. This was being overloaded by the QRO power from the TX antenna feedpoints just a few feet laterally and

Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-11 Thread john
I am not sure how a second antenna effects the amplifier, I believe that the K3(S) has a safeguard from some overload conditions. If your RX antenna is close to your TX and you run HP, I would protect your transceiver from overload by either shorting the RX feedline during TX or with a

Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-11 Thread Peter Dougherty
' Subject: RE: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!** Hi folks, FOUND THE PROBLEMMaybe?? I have a 30 foot vertical ground-plane style antenna that I use for diversity RX on 40 and 80, which was connected to the AUX antenna port. This was being overloaded by the QRO

Re: [Elecraft] 80m KPA1500 High reflected power problems **SOLVED!**

2019-03-10 Thread Peter Dougherty
Hi folks, FOUND THE PROBLEMMaybe?? I have a 30 foot vertical ground-plane style antenna that I use for diversity RX on 40 and 80, which was connected to the AUX antenna port. This was being overloaded by the QRO power from the TX antenna feedpoints just a few feet laterally and 40-50'