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FTBasic - Anyone know how to store split frequency?
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The banks are for while you are using the software and are connected
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to the radio. Do not confuse them (you already have I see) with the 200 memories in the radio that you can "clone" into and out of the program. You can set an offset with either the direction and size or the actual frequency. -- Richard Clemens clemens@... ----- Original Message -----
From: <jduffy@...> To: <FT817@...> Sent: Saturday, May 19, 2001 2:23 PM Subject: [FT817] FTBasic - Anyone know how to store split frequency? I just purchased FTbasic. Does anyone know how I store splitfrequency/bands into the memory for using the FM sats?12 memories each or 72 memory positions. Why is that?at the food court nearest to the Yaesu booth. 439.125 simplex. To unsubscribe from this group, send an email to:Questions ) see
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Bob,
What I need to do is described in the FT-817 manual on page 77 in the Appendix "Setup of Memories for Low Earth Orbit (LEO) FM Satellite Operation". The VFO A/B workaround you described will not work since you have to change frequency throughout the qso because of the dopler effect. I would hope this capability will get added into the program as it is very important. Regards, Duffy - WB8NUT |
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Hello Duffy,
FTBasic does not presently enable you to store 2 frequencies in one of its memories, so you cannot store a cross-band pair. What it does do is to store 1 frequency and an offset, which is OK for a split within a band. The program uses the offset facilities of the rig (for operational speed) as opposed to synthetically constructing a TX frequency and requiring you to initiate transmission from the PC. To set up for cross-band at the moment, here is a work-around. You can store a TX frequency in one memory, and a RX frequency in another if you use them frequently. a) make sure the 817 is in VFO mode and showing VFOa or VFOb b) put the rig into Split mode by clicking the Split checkbox c) tune to your TX frequency d) click the VFOA/B button e) tune to your RX frequency You can key the rig either from the PC TX button or the mike or whatever. If you use the PC's TX button, after the 1st click the button has the Windows 'focus', and the Enter key can thereafter be used to toggle between TX and RX. If you want to reverse the TX/RX frequencies, click the VFOA/B button. I hope this helps for the present. I know it is not exactly ideal, but it works for a single cross-band pair. Of interest is why you want to work cross-band. I can add a TX frequency to the existing memories for a more automated cross-band setup, but I am guessing most people are really after satellites, which is much more demanding in its requirements, and is also the subject of current research. If I am wrong in my assumptions for cross-band requirements then please mail me direct and I will make the required changes outside of the satellite project. Bob G4HFQ |
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Brian B. Riley, N1BQ
You should investigate implenting this, Bob ... the FT817 manual shows a
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nice table for working Low Earth orbit (LEO) FM sats. They have you 'tune' for Doppler' by going down a set of sequential memory channels each with a set of equivalent splits. The sequence is about 5 channles - see page 77 of the FT817 manual. -----Original Message----- Your use of Yahoo! Groups is subject to |
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