[amsat-bb] Re: Instant Tune

[Anthony Monteiro <aa2tx@xxxxxxxxxxxx>]

Hi Guy,
I do not have a set of accurate frequencies for AO-40.
I suspect that most of the downconverters are not very
accurate anyway unless you temperature compensate them,
the rx freqs could be off by +/-10KHz or more. I don't
have my 2880 running yet and haven't checked it.

The config file entry for mode U/S should look something
like the following:

;***** Satellite AO-40 P3D *************************************
satellite AO-40 U/S             ; mode U/S, UHF up, S down
transponder 2836.000 invert     ; = 435 up + 2401 down, I wish I knew the 
real up link!
beacon 2401.323 cw              ; if you need upper side band instead, use 
"usb"
rxconverter 2278.000            ; = converter local osc

;you can also run this satellite in rx only mode by adding
rx ft847 1 ; note COM 1.
This will only tune the RX so you don't need the "transponder" line

OK?
Tony

---

At 11:55 AM 3/26/01 -0500, you wrote:
>Hi Tony,
>Thanks very much for your very prompt and helpful response to my question 
>about the
>Instant Tune program not working with my 847.  I should have known the 
>program didn't
>even know that the O-40 Sat. was up there. I have tried editing the 
>config. file and it is trying
>to work.  The CAT indicator comes on now and the dial freq changes, but 
>does not seem
>very accurate.  I have a lot of experimenting to do.
>O-40 and O-16 S-beacons are both pretty good copy here the last couple of 
>weeks.
>Rig here is 16 ele helix to 0.5db preamp to 2880 to 847.
>I hope we can have O-40 QSO soon.  Will be looking for you.
>
>Info for config. file:  Bcn freq = 2401.323,    Rx conv. LO freq = 
>2278,  CW mode,
>HF rx freq = 123.323      What should the Instan Tune config. entry look 
>like??
>
>Tnx and 73,   Guy     W4NUS
>
>

----
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org