Re: [amsat-bb] NO-44 Link Question

["Edward R. Cole" <al7eb@xxxxxxxxxxxxx>]

At 02:23 PM 7/16/2005 -0800, Edward R. Cole wrote:
>At 04:07 PM 7/16/2005 -0400, Anthony Monteiro wrote:
>>At 10:02 AM 7/16/2005 -0700, Greg D. wrote:
>>
>>>Hi Matt,
>>>
>>>I have an FT-736R, but I expect the same technique can be used with nearly 
>>>any rig.  The fact that you are working a satellite doesn't necessarily 
>>>mean that you need to use the satellite mode in the radio.  For same-band 
>>>operation, such as with ISS or PCSat, the satelilte software can use 
>>>traditional (Earth-bound) FM repeater mode.  It programs the repeater 
>>>offset for -2 times the amount of doppler, and sets the receive frequency 
>>>for the downlink plus doppler.  Then when you transmit, the rig instantly 
>>>and automatically shifts the right amount to land on the uplink frequency.
>>>
>>>FODTrack can handle this, and I expect there are others.
>>>
>>>73s,
>>>
>>>Greg KO6TH
>>
>>Hi Guys,
>>
>>Unfortunately, this does not work on an FT-847 as
>>the CAT interface ignores the digits less than 10KHz
>>for the repeater offset which is too big a step for
>>Doppler compensation.
>>
>>You are better off using a half-duplex radio like
>>the FT-817, FT-857 or FT-100 if you have one as they will
>>work in "same-band" operation with the CAT interface,
>>
>>73,
>>Tony AA2TX
>>----
>
>The FT-847 will work in split mode:
>1.  Press VFO/M button to get VFOa
>2.  Dial your Rx freq with the VFO
>3.  Transfer this to VFOb by pressing the VFO/M button.

###oops:  I meant press the a->b button to transfer the freq. to VFOb.

>4.  Now dial in your Tx freq.
>5.  Press the split button
>6.  VFOa = Tx, VFOb = Rx
>tune Tx with main VFO knob
>tune Rx with subtune knob.
> 
>73's,
>Ed - KL7UW 
>===================================
>BP40iq,  Nikiski, AK      http://www.qsl.net/al7eb
>Amsat #3212
>Modes: V - U - L - S
>===================================
>----
>Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
>Not an AMSAT member? Join now to support the amateur satellite program!
>To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> 
73's,
Ed - KL7UW  
=================================
http://www.qsl.net/al7eb
144-MHz EME - BP40iq:
FT-847, mgf-1801/1402, 4xM2-xpol-20, 170w
=================================
----
Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org