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Author Topic: HELP PLEASE!!!  (Read 631 times)
KD5UZA
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Posts: 1




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« on: September 07, 2004, 04:52:32 PM »

I have not been a ham very long! Just a little over a year. I have a friend who has loaned me a IC-735 HF rig. Im wondering how to hook it up to my computer like i saw at the last field day. The guy i spoke to stated that it was easy to do and the program was a free download off the internet. I liked the sstv and rtty and code stuff it had. Ive looked a little on the internet and dont know where to start?? I think all i have to do is run a line from the hedphone jack on the radio into the line input on the soundcard "new dell PC running XP" I just want to RX. Ive looked at programs on the internet. Does anyone have a simple one? Im not sure where to start?? PLEASE HELP A NEW HAM. Thanks, KD5UZA
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KE4DRN
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Posts: 3710




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« Reply #1 on: September 07, 2004, 08:18:22 PM »

Hi Jacob,

For sstv try MMSSTV software no cost
http://mmhamsoft.ham-radio.ch/

14.230

For the digital modes Digipan is nice
http://www.digipan.net/

14.070

There are other programs but these will get
you started.

Enjoy !

73 james
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KG4RUL
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Posts: 2676


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« Reply #2 on: September 08, 2004, 07:26:39 AM »

You don't even need the cord from the radio to the computer.  Just put the computer microphone near the radio speaker.  I have seen SSTV images transmitted by holding the PTT on the radio down while placing it near the computer speakers.

Dennis / KG4RUL
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AC0H
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Posts: 16




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« Reply #3 on: October 07, 2004, 02:13:28 PM »

If you're going to do it, you may as well do it right rather than holding a mic up to a computer speaker. How damn cheap and half assed is that?

If you want to do PC control of the radio you'll need the proper serial interface cable. I believe the 735 uses Icom's CT-17 interface and cable. There are less expensive knock offs available on the net and advertised on this site.

To do the "sound card modes" such as PSK31/63, RTTY, CW you'll need a transciever-to-sound card interface. Several are available from Westmountain Radio and Signalink. I'd stay away from Buxcom as the quality of the interface seems to be dependent on the mood of the owner the particular day it's being built. I use a Westmountain Rigblaster.
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KC0KBH
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« Reply #4 on: October 07, 2004, 05:44:40 PM »

Just buy MixW, a mulitimode great program.  Has computer control.  For the CI-V, I heard a Yaesu ADMS programming cable for HT's will work.  I have not tried it, the CI-V circuit in my rig is bad.
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KF4QOE
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Posts: 16




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« Reply #5 on: October 17, 2004, 02:45:00 PM »

I agree with what James said. MMSSTV for slow scan and Digipan for the others. They are easy to use and do not try the method using the computer mic and radio speaker. That is not a very good choice. I couple of dollars spent at radio shack and you can get it all going.

Hope it helps
'73
Peter
KF4QOE
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KL7IPV
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Posts: 984




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« Reply #6 on: October 27, 2004, 11:20:38 AM »

Try Ham Radio Deluxe for  radio control. You can use the PC control cable for a TenTec radio as well. If you can come across an old J-Com cable for TenTec/Icom, that works well too. The HRD program has a program embedded for SSTV and PSK.
Frank
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VE1IDX
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Posts: 138




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« Reply #7 on: October 31, 2004, 07:02:23 PM »

MMSSTV and Digipan are what I recomend also.As for interfacing all you need to do is pick up an eight pin DIN male plug and wire it up.Accesory #1 on the rear panel has all the connections you need. Pin 2 is ground and pin 3 causes the rig to TX when it is shorted to ground.A serial connection to the computer can make this connection or you can press the front panel SEND button.For audio wire up pin 4,which feeds the modulator,to the sound card output and wire pin 5,which is audio out,to the sound card in.Presto there you have it.Cheap,simple and it works.I ran my 735 that way for a few years until I replaced the rig.
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