[NHRC-user] RE: NHRC-user digest, Vol 1 #22 - 2 msgs

[Jeff Otterson]

Hi Pat,

   are you using a PNP transistor to generate the keying voltage?

   The NHRC-6 expects the audio delay (when enabled) to be about 1/4 
second.  That delay is set in the firmware.  The firmware could be modified 
to work better with longer delays.

   Regards,

   Jeff

At 04:15 PM 5/1/2003, you wrote:
>Ok great jeff!. Here goes my first one. I am using a transistor to take the
>ptt off my #6,and gimme about +3 to 6 volts to key my radio. About every 2
>minutes it is keying by itself. I have attempted to add some resistance into
>the ptt but that didnt seem to do it. Everything is bypassed too. I am used
>to building antennas,playing with the digital modes,dx,ing,weak signal,but
>for the last 5 months i have been attempting to educate myself on these
>transistor things. I like tubes better! Any thoughts? Along with that,i am
>thinking about using a vox setup instead,because i am using a delay board
>and the transmit audio radio is unkeying just slightly before the audio is
>ended. I need the full 2+ seconds on the delay due to the key up delay on
>the re-transmit radio. I am hoping that others may get some insite form
>watching this discussion. My current project is linking to some cellulkar
>stuff. If any HAMS would like some details,email me direct and ill be glad
>to share the nightmare with you :).
>
>-----Original Message-----
>From: nhrc-user-request at nhrc.net [mailto:nhrc-user-request at nhrc.net]
>Sent: Wednesday, April 30, 2003 11:02 PM
>To: nhrc-user at nhrc.net
>Subject: NHRC-user digest, Vol 1 #22 - 2 msgs
>
>
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>Today's Topics:
>
>    1. Linking projects (Jasper Patrick E Civ AFFTC/ITCFL)
>    2. Re: Linking projects (Jeff Otterson)
>
>--__--__--
>
>Message: 1
>From: Jasper Patrick E Civ AFFTC/ITCFL <Patrick.Jasper at edwards.af.mil>
>To: "'nhrc-user at nhrc.net'" <nhrc-user at nhrc.net>
>Date: Wed, 30 Apr 2003 07:57:27 -0700
>Subject: [NHRC-user] Linking projects
>Reply-To: nhrc-user at nhrc.net
>
>Hi all,glad im getting the mailers. My name is pat and i have been playing
>with the boards for about 5 months now. I have been linking some specialized
>systems together,and have learned a lot. Is this the place where i should
>initiate discussions and maybe ask questions? My current experimenting is
>for work,and is not amateur, so my stuff will be geared toward that,however
>i imagine its all the same isnt it? :) ,de pat/wr6s
>
>--__--__--
>
>Message: 2
>Date: Wed, 30 Apr 2003 19:27:10 -0400
>To: nhrc-user at nhrc.net
>From: Jeff Otterson <jeff at nhrc.net>
>Subject: Re: [NHRC-user] Linking projects
>Reply-To: nhrc-user at nhrc.net
>
>Hi Pat,
>
>    You are most welcome to post questions here or send them directly to
>us.  If you think that others would prosper from your questions, then
>please send them to the list.  If your questions are very specific to your
>application, then you can send them directly to me (jeff at nhrc.net) and I
>will either answer your question or forward it to one of the other guys.
>
>    Regards,
>
>    Jeff
>
>
>At 10:57 AM 4/30/2003, you wrote:
> >Hi all,glad im getting the mailers. My name is pat and i have been playing
> >with the boards for about 5 months now. I have been linking some
>specialized
> >systems together,and have learned a lot. Is this the place where i should
> >initiate discussions and maybe ask questions? My current experimenting is
> >for work,and is not amateur, so my stuff will be geared toward that,however
> >i imagine its all the same isnt it? :) ,de pat/wr6s
> >_______________________________________________
> >NHRC-user mailing list
> >NHRC-user at nhrc.net
> >http://two.pairlist.net/mailman/listinfo/nhrc-user
>
>
>
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