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Re: D7 & Sats



It is in the manual I can't seem to find mine just now but as
I remember it is under microphone control.

On Wed, 24 Jul 2002 21:49:53 -0500, you wrote:

>Hi Gerald,
> Can you tell me how to program the mike? I have the SMC-34?
>
>Thanks Gearald & 73,
>
>Ben
>----- Original Message -----
>From: "Gerald Schmitt" <KK5YY@arrl.net>
>To: "ben" <ben@cloudnet.com>
>Cc: <amsat-bb@AMSAT.Org>; <wd4asw@AMSAT.Org>
>Sent: Monday, July 22, 2002 9:10 AM
>Subject: Re: [amsat-bb] D7 & Sats
>
>
>> On Sun, 21 Jul 2002 23:58:12 -0500, you wrote:
>>
>> >I didn't seem my msg bounce so I'll try it again. Can someone tell a
>couple
>> >of things?
>> >
>> >1.) How do I use the D7 on working sateliites?
>> >2.) Does anybody know where can I get 2 connectors?
>> >  a. SMA male to BNC female
>> >  b. SMA male to PL-259 or UHF female?
>> >
>> >Thanks in advance,
>> >
>> >Ben Ramler, K0BLR
>> >en25uo
>> >
>> >----
>> >Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
>> >To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
>>
>> Radio Shack has the SMA male to BNC female don't go to UHF use a
>> piece of cable with BNC male to UHF for stress relief.
>>
>> That said on to the D7 for satellites. Interestingly the THD-7 is one
>> of only two radios in current production that will do full satellite
>> duplex the other is the new Yaesu VX-7. Both are more complex than
>> the old FT-530 or FT-51 Yaesu HTs but will function.
>>
>> To use the D7 set up the two VFOs for the appropriate frequencies.
>> I use 435.080 as a starting point on UHF receive for UO-14. Make sure
>> the UHF steps are set to 5KHz default is 25KHz.
>>
>> I have not found a way to set the memories in the D7 to two different
>> bands so this is a VFO operation. To transmit the VHF channel must be
>> the active channel but to step the UHF frequencies on receive you have
>> to change to UHF as the active channel. I use the HM-34 with the
>> three programmable buttons set to change bands and step up or down.
>> That way I can do it all from the mike.
>>
>> On the THD-7 you have a feature not found elsewhere you can choose
>> full duplex (hearing your own transmission) only dual (not hearing
>> yourself). This can be an advantage to hear yourself you really need
>> and earphone. If you use a speaker mike or no mike at all you will
>> cause feed back on the satellite--remember assembly in school?
>> Dual only is called for in this circumstance. With an earphone
>> headphone or such you can go to duplex and hear yourself--a
>> nice option.
>>
>> My setup on the D7 is as follows:
>> VHF 5KHz steps
>> UHF 5KHz steps
>> Audio balance fully to the UHF side.
>> UHF squelch fully open.
>>
>> I have a cheap pair of head phones thank you Delta
>> with the connector cut off and a 2.5mm connector installed.
>> I like this better than using an adapter
>>
>> I hang the radio on my belt and use the HM-34 and head
>> phones. I have a custom built duplexer with an SMA
>> connector so do not use an adapter on the radio.
>>
>> The real trick to the FM satellites to hear them first.
>> Make sure your Keplerian elements are fresh and listen
>> as it comes over the event horizon. When you are hearing
>> other contact being make toss in your call. We tend to
>> be less formal than the weak signal folks because of
>> the limited time the bird is available. Have fun.
>>
>> I hope this helps you email me if you have further
>> questions.
>> ----
>> Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
>> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
>>

----
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