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[aprssig] D700 owners question

db2fm db2fm at jfsattv.de
Sun Oct 17 10:44:19 UTC 2004


Just checked the manual:
Terminal-port supports 9600, 19200, 38400 and 57600 bps (Menue 1-9-5) 
and
GPS-port (2,5 mm Stereo-plug) none, NMEA (which is 4800) and NMEA96 
(9600 bps).
(Menue 3-2)

Juergen

Am 16.10.2004 um 19:26 schrieb Wes Johnston:

> I think the d700 supports 9600 and 57600 on the terminal, right?  
> 4800-9600 on
> the GPS port.
>
> Wes
>
>
>
> Quoting db2fm <db2fm at jfsattv.de>:
>
>>
>> Am 16.10.2004 um 16:31 schrieb Robert Bruninga:
>>
>>>>>> kc5qbc at swbell.net 10/16/04 12:10:14 AM >>>
>>>> I'm looking at the D700 to use for a small emergency group.
>>>> The expected usage mode is listening to vhf voice on one
>>>> side while monitoring the packet vhf side with a laptop.
>>>
>>> Is surely the way to go!
>>>
>>> And another real advantage of the  radio is that it
>>> does work at 9600 baud, AND it has a built-in BBS too,
>>> so finally after 20 years of people "talking" about trying out
>>> 9600 baud, now anyone with a kenwood can try it out...
>>>
>>> We should be doing BBS stuff at 9600 baud anyway,
>>> afterall, this is 2004!
>>>
>>> The only problems you may have heard about are when
>>> you try to use it on a FULL-DUPLEX 100% constant 9600
>>> baud data stream (such as the downlink of a 9600 baud
>>> satellite running the PACSAT protocol).  Then, the 100%
>>> dutycycle of packets with zero breaks in between will
>>> get too much data that cannot then also get out of the
>>> radio's 9600 baud serial port and it will overrrun and choke.
>>>
>>> But as long as you are not tyring to transfer megabytes
>>> at 9600 baud on a full-duplex channel with 100% key down,
>>>  it is perfect...
>>>
>>> de WB4APR, Bob
>>
>> Why not use higher baudrates on the terminal side to avoid the
>> overrun of the internal buffer? It's at least able to communicate
>> at 19.2 kBd if not 38.4 kBd IIRC...
>> (Mine has a prolem at the moment so I can't check and the manual
>> is out of my reach at the moment ;)
>>
>> 73 de Juergen DB2FM
>>
>> P.S. If it could use 4800 Bd it would be an ideal TRX for a HamHUD-II
>>       as the HH2 only uses 4800 Bd (at the moment, but times are
>> changing...)





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