[amsat-bb] Possible trouble with new Icom IC-910H

[Zach Metzinger]

On August 11, 2017 1:19:46 PM CDT, Floyd Rodgers <kc5qbc at swbell.net> wrote:
>Try AM mode and the meter should register or get another meter that can
>measure ssb
> 
>
>On Friday, August 11, 2017 8:15 AM, Andrew Rich
><vk4tec at internode.on.net> wrote:
> 
>
> I talked my test equipment mate
>
>You would have to whistle fairly loudly to get a swing on the bird
>
>Andrew 
>
>Sent from my iPhone
>
>> On 11 Aug 2017, at 10:28 pm, Peter Pauly <ppauly at gmail.com> wrote:
>> 
>> I do have a little USB SDR. I plan hook that up tonight to see if I
>can see an indication of signal. I don't want to furiously try to
>contact someone via satellite and find out I'm not putting out any
>power. 
>> 
>> I've never owned this rig until a couple days ago so there's always a
>possibility I'm doing something wrong. 
>> 
>>> On Fri, Aug 11, 2017 at 8:23 AM, Andrew Rich
><vk4tec at internode.on.net> wrote:
>>> Peter are you speaking loudly
>>> 
>>> The energy in an fm envelope is way larger than a side band
>transmission
>>> 
>>> The fact that your reaching an alc level seems to indicate the radio
>is doing its job
>>> 
>>> Pity u don't have USB rx
>>> 
>>> Do you have a software defined radios ?
>>> 
>>> Andrew
>>> 
>>> Sent from my iPhone
>>> 
>>> > On 11 Aug 2017, at 10:02 pm, Peter Pauly <ppauly at gmail.com> wrote:
>>> >
>>> > I bought a used IC-910H on ebay for satellite work an am having a
>possible
>>> > issue with it.
>>> >
>>> > I tested the 2m and 70cm transmitter and receiver in FM mode with
>my
>>> > handheld and they work fine. I hooked up a Bird 43 wattmeter with
>a 50E
>>> > slug (50W, 400-1000Mhz) and when I transmit on 440Mhz FM I get an
>>> > indication of power output on the meter.  So far so good...
>>> >
>>> > Then in USB/LSB mode however, I get no indication on the meter,
>despite
>>> > turning the mic gain up and talking into the mic. I've also up'ed
>the RF
>>> > power with the little knob and that doesn't help. The red light
>flashes on
>>> > the rig (ALC indication) and the meter on the rig moves. I can
>also hear
>>> > distorted audio on my FM handheld (as expected since it's FM and
>not USB)
>>> > but I'm worried about the lack of power indicated on the Bird.  I
>haven't
>>> > been able to try CW yet because I don't have the right sized plug.
>Should I
>>> > be concerned about the lack of power?
>>> >
>>> > Summary:  Bird wattmeter shows power out on FM, but not on
>USB/LSB.
>>> >
>>> > Thanks
>>> >
>>> > Peter
>>> > W9KG
>>> > _______________________________________________
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>>> 
>> 
>_______________________________________________
>Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
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>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
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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

If your rig has a RTTY mode, switch to that and key down. You should get a full power tone with no actual data modulating it.

73,

--- Zach
N0ZGO
--- Zach