9358RE: [wsjtgroup] Re: 1500Hz and the JT9-10 mode
- Dec 14, 2012Hello KD
Seeing is believing.
I watched a real spectrum by SDR radio.
"1270.5Hz" was not found.
73, Hisami 7L4IOU
>This leads to a question of what DF=0 actually is for the JT9-xx modes. My
>understanding may be incorrect, which is that DF=0 is a tone frequency of
>1270.5 Hz. So if Hisami is using 1300 Hz as his DF, that would put him at
>1.910MHz + 1270.5Hz + 1300 Hz, or 1.912571 MHz, which puts him outside where
>he can legally operate. Can anyone confirm this?
>73 de WY5R - KD
>dbcalc - http://dwestbrook.net/projects/ham/dBCalc/
>From: email@example.com [mailto:firstname.lastname@example.org] On Behalf
>Sent: Friday, December 14, 2012 3:31 PM
>Subject: [wsjtgroup] Re: 1500Hz and the JT9-10 mode
>Hello Eric and All,
>I can QRV 160M JT9-xx at 1.910MHz
>We have Two limitations.
>narow band width : 1,907,500 to 1,912,500Hz
>narow occupide band width : less than 100Hz
>in this weekend,
>I will calling CQ at 1.910MHz Dial + 1300Hz AF Tx-first
>73, Hisami 7L4IOU
>>I would like to try a sked with someone on 160m using JT9-1. I have a
>>poor antenna on 160m (HF-2V 31-ft vertical, 66 radials), so someone in
>>Washington, Arizona, Nevada, etc, would be great for a first attempt. I am
>>in the SF Bay area. My antenna is tuned at 1.830 MHz
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