[aprssig] Old radio - on HF APRS

[Ray Wells]

WTF does it matter. Give both USB and LSB frequency options and leave it 
to the end user. FWIW I use USB because I use and have used 
ex-commercial USB only rigs.

Ray vk2tv

On 04/02/11 19:02, Stephen H. Smith wrote:
> On 2/3/2011 4:02 PM, Bill V WA7NWP wrote:
>> On Thu, Feb 3, 2011 at 3:19 PM, Bob Bruninga<bruninga at usna.edu>  wrote:
>>> It was the first HF rig I used for 10.151 LSB APRS and is what I 
>>> used to
>>> establish that frequency back in 1985.
>>>
>>
>> Note that you can now use the same radio on the same frequency to also
>> run the far more HF efficient modes with APRS-Messenger.
>>
>>    http://www.crosscountrywireless.net/aprs_messenger.htm
>>
>> Now if only we could get started on 40 meters at night when 30 meters
>> is dead.   I'm suggesting the same 7.1051 band edge - any takers?
>>
>
>
> When are we going to bury this silly business of operating on an LSB 
> suppressed-carrier  frequency outside the band?
>
> 1)   Most rigs on 30M have to be "hacked" for out-of-band operation to 
> do this.
>
> 2)   Commercial/military/marine/aviation HF gear (some of which gets 
> used on the ham bands) operates exclusively on USB.
>
> 3)   Most modern post-WARC ham rigs (that include 30M OEM) roll over 
> from default LSB to default USB at 9.999.99 MHz.
>
> I don't think we have to accommodate Heathkit "hot water" monobanders 
> with only one sideband any longer.
>
>
>
> 10.147.600  USB    will produce exactly the same  1600/1800 Hz audio 
> tone pair for KAM and TNC2 TNCs while keeping the carrier inside the 
> ham band.
>
> At the same time you can also receive the GMSK/PSK-based APRS on 
> 10.149.700 with the sound-card-based APRS Messenger.  (You set APRS 
> Messenger to use an audio tone frequency of 2100 Hz.)
>
> Details here:   *** HF APRS over PSK63 ***
> <http://wa8lmf.net/APRS_PSK63/index.htm>
>
>
> ------------------------------------------------------------------------------- 
>
>
> -- 
>
> Stephen H. Smith    wa8lmf (at) aol.com
> EchoLink Node:      WA8LMF  or 14400    [Think bottom of the 2M band]
> Skype:        WA8LMF
> Home Page:          http://wa8lmf.net
>
> =====  Vista & Win7 Install Issues for UI-View and Precision Mapping 
> =====
>     http://wa8lmf.net/aprs/UIview_Notes.htm#VistaWin7
>
>
> "APRS 101"  Explanation of APRS Path Selection & Digipeating
>   http://wa8lmf.net/DigiPaths
>
>
>
>
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