[amsat-bb] Squelch setting on TH-D72a for FM birds - newbie question

[Rick Tejera]

Sounds like you're ready to transmit. Two things to add. First, And I
presume you've already done this, but make sure you a 67.0hz PL tone
programmed on the uplink frequencies and on with a 74.4hz tone, so you can
turn it on if needed. Next, I set the Audio balance (menu 120) to A band,
mute the Tx band. 

A headset is a good idea for the reason you state. You can use a set of ear
buds and still use the Mic. I use a Heil traveler head set with boom mike. I
like it since it has interchangeable interfaces for different radios. I've
got the adaptors for all my radios. Unfortunately Heil realized they can
sell more headsets by discontinuing this model rather than just selling
$10.00 adapters.  I fashioned a Y cord for mine so i can plug a digital
recorder into the downlink side of the headset. Fits between the headset and
the radio. 

Enjoy yourself, trust me, the only thing better than the first time you hear
your signal on the downlink. is making your first QSO. Still remember mine
like it was yesterday. 


Rick Tejera (K7TEJ)
Saguaro Astronomy Club
www.saguaroastro.org
Thunderbird Radio Club
www.w7tbc.org
623-572-0713
623-203-4121 (cell)
SaguaroAstro at cox.net


-----Original Message-----
From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Jim Walls
Sent: Thursday, March 17, 2016 7:19 AM
To: kevino z; amsat-bb at amsat.org
Subject: Re: [amsat-bb] Squelch setting on TH-D72a for FM birds - newbie
question

Short answer is yes.
  
 Jim - K6CCC
  
  

----------------------------------------
 From: "kevino z" <z_kevino at hotmail.com>
Sent: Thursday, March 17, 2016 4:17 AM
To: amsat-bb at amsat.org
Subject: [amsat-bb] Squelch setting on TH-D72a for FM birds - newbie 
question   
Pretty excited I heard my first satellite tonight, but not without 
beginner's mistakes. I was not trying to hit the satellite with TX tonight, 
just listening to learn the proper exchange.

I think I did my homework and have programmed SO-50 frequencies in my 
TH-D72a correctly. I put the radio TX in the VFO "B" position, and all of 
the RX in the "A" and turned on full duplex. I left the squelch one up from 
open. I hooked my arrow antenna up, and held the antenna right at the 
satellite. Nothing. Then I switched to VFO A (RX) and held the monitor 
(squelch open) and heard some folks. While still in VFO A, I switched 
memory locations while holding the monitor on, to make sure I was on 
frequency (these RX memories account for doppler). When I heard a QSO, I 
let go of the monitor and the signal did not break squelch.

So my question: Must I leave squelch all the way wide open when working FM 
satellites?

If so, I guess that I need to buy some headphones so I do not introduce 
feedback into the TX side while in full duplex.

Could some of you seasoned satellite folks help a new guy out?

thank you
Kevin (KK4YEL)

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number of electrons were terribly inconvenienced !
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_______________________________________________
Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions
expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb