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I allow CAT to select the correct band frequency. I always set my TX tone to 1500 ( + or - 100 ) I don't have an Icom, I use a Kenwood TS-2000 on FT8.
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I recommend using CAT control of your rig if you are operating on busy HF bands, without it you must limit your Tx audio offset to between 1500 Hz and about 2400 Hz, otherwise you will be either liable to transmit unwanted audio harmonics, or suffer reduced output.Bill,
Ft8 alc for ic 756 pro ii serial#
There are reasonably prices CAT interfaces for Icom CI-V radios, just ensure that the device has macOS virtual serial port (VSP) drivers available. With CAT control you can enable one of the WSJT-X "Preferences->Radio->Split Operating" options, that removes any Tx audio offset limitations. I recommend using CAT control of your rig if you are operating on busy HF bands, without it you must limit your Tx audio offset to between 1500 Hz and about 2400 Hz, otherwise you will be either liable to transmit unwanted audio harmonics, or suffer reduced output because your Tx audio is outside of the passband of your rig's SSB Tx filter. Is this something that I should expect or am I losing 20 watts somewhere along the way? Hi Ken, The antenna is tuned to an SWR of 1.2:1.Īlthough my setup appears to be effective I've noticed that in order to transmit a 30 watt digital signal, I have to set the 718's output at 50 watts. My setup includes an Icom IC-718, Signalink USB, Diamond SX-200 SWR/PWR Meter, Macbook Computer, and an OCF Dipole Antenna. My setup appears to be working for me but I'm curious about something. Have fun playing radio I hope we can have a QSO sometime! 73 - Martin G0HDBĮnjoying FT4/8 and learning a lot from the Group. However, I never need to run the 7610 at this output level because I use the 7610 to drive a KPA500 amp that gives me our legal limit of 400W out with approx 25W in from the 7610, so there's never any ALC action on the 7610. When I turn up the Tx drive level pot on the G4ZLP device I find that I start to see an ALC reading on the 7610's meter when the RF power output is about 85W. FWIW, I'm currently using an IC-7610 with a G4ZLP datamodes interface this is functionally almost identical to the SL-USB but has much better LF noise performance (on both Tx and Rx). If it is, then your signal should be acceptably clean. Just out of interest, when you turn up the 'Tx' pot on the SL-USB so that you get as close as you can to 100W out of the 718, what's the ALC reading on the 718? Ideally it should be zero or as close to zero as possible. The level is set to 0dB - which is the maximum level. I reviewed my Mac's SL-USB's audio codec playback setting.
Ft8 alc for ic 756 pro ii software#
The 718 is set to 100 watts, the software slider set to max, and I've adjusted my signal to 30 watts via the Signalink's TX pot. I've made the adjustments as you suggested.