[amsat-bb] Modulation levels on AO-85
Adam Whitney
awhitney42 at yahoo.com
Tue Aug 15 02:51:02 UTC 2017
K7TAB shared this link with me awhile back, which describes the fields/logic that LOTW purportedly uses to match: https://lotw.arrl.org/lotw-help/frequently-asked-questions/#datamatch
Adam, K0FFY
> On Aug 14, 2017, at 21:27, Matthew Stevens <matthew at mrstevens.net> wrote:
>
> I've had a few match even though I accidentally uploaded a "20m" SAT qso because my logger autofilled the band field incorrectly lol.
>
> In the few cases I couldn't get a match because of some unknown hiccup in LOTW, I have just changed the qso time by a minute or two (so lotw recognized it as a different qso record), reuploaded and got a match.
>
> Most of the satellite lotw info I've read online has mentioned several adif fields that don't seem to make a difference. In my experience, only the callsign,gh SAT mode, satellite name, time, and mode (FM, SSB etc) have to match. Ymmv.
>
> 73
>
> - Matthew nj4y
>
> Sent from my iPhone
>
>> On Aug 14, 2017, at 21:42, Frank Westphal <k6fw1 at verizon.net> wrote:
>>
>> My experience with LOTW and SAT QSO's is the frequency does matter. I have had to fool my logging program to upload the uplink frequency to get a match on a rare occasion. N5JB's guide to LOTW and satellite QSO's says 7 items must match to get a satellite verification in LOTW. Only 5 items need to match for a non-satellite QSO.
>>
>> 73,
>> Frank
>> K6FW
>>
>>> On 8/14/17 6:30 PM, Paul Stoetzer wrote:
>>> The convention in logging split band or mode QSOs is to use what band or mode you're transmitting on.
>>>
>>> That said, LoTW doesn't care about the frequencies if the propagation mode is set to 'SAT'
>>>
>>> 73,
>>>
>>> Paul, N8HM
>>>
>>> On Mon, Aug 14, 2017 at 9:27 PM, Frank Westphal <k6fw1 at verizon.net <mailto:k6fw1 at verizon.net>> wrote:
>>>
>>> I use LOGIC 9 and it uploads the downlink frequency. I enter both
>>> uplink and downlink frequencies into the logging program LOCIC 9. I receive lots of matches and that seems to be the accepted
>>> convention. I know ARRL suggests uploading the uplink frequency
>>> in their documentation. LOGIC 9 does not follow that
>>> recommendation and from my experience most other sat operators are
>>> not either.
>>>
>>> YMMV
>>>
>>> 73,
>>> Frank
>>> K6FW
>>>
>>>
>>> On 8/14/17 10:27 AM, jerry.tuyls at telenet.be
>>> <mailto:jerry.tuyls at telenet.be> wrote:
>>>
>>> Spending some time here by telling several times on AO-85
>>> passes about bad modulation to the same stations, but they
>>> DON'T listen.
>>>
>>> Just ignoring them, because i cannot understand them on my
>>> TS-790/FT-847.No narrow FM and no PL tone. Never got a problem.
>>>
>>> And please...why do some stations upload logs with DWNlink
>>> freq on sat qso's instead of the UPlink freq?
>>> Always having some rejected qsl's because qso's don't match
>>> due to wrong band. I log with VQlog, uplink and dwnlink freq
>>> etc, so i think the TX-freq is most important for logging
>>> sat'qso's and not the RX-freq?
>>>
>>> 73's
>>>
>>> Jerry,ON4CJQ
>>>
>>>
>>>
>>>
>>> ----- Oorspronkelijk bericht -----
>>> Van: "R.T.Liddy" <k8bl at ameritech.net <mailto:k8bl at ameritech.net>>
>>> Aan: "Matthew Stevens" <matthew at mrstevens.net
>>> <mailto:matthew at mrstevens.net>>, "Joe" <nss at mwt.net
>>> <mailto:nss at mwt.net>>
>>> Cc: "amsat-bb" <amsat-bb at amsat.org <mailto:amsat-bb at amsat.org>>
>>> Verzonden: Maandag 14 augustus 2017 02:33:37
>>> Onderwerp: Re: [amsat-bb] Modulation levels on AO-85
>>>
>>> "...food in the mic hole, etc."!!! LOL!!! - Bob K8BL
>>> From: Matthew Stevens <matthew at mrstevens.net
>>> <mailto:matthew at mrstevens.net>>
>>> To: Joe <nss at mwt.net <mailto:nss at mwt.net>>
>>> Cc: amsat-bb at amsat.org <mailto:amsat-bb at amsat.org>
>>> Sent: Sunday, August 13, 2017 7:25 PM
>>> Subject: Re: [amsat-bb] Modulation levels on AO-85
>>> Like Jerry said, its more an issue with mic gain or poor
>>> mic technique than anything else.
>>>
>>> - Matthew nj4y
>>>
>>> Sent from my iPad
>>>
>>> On Aug 13, 2017, at 19:18, Joe <nss at mwt.net
>>> <mailto:nss at mwt.net>> wrote:
>>>
>>> Plus a LOT of people are running Narrow Modulation now.
>>> Joe WB9SBD
>>> Sig
>>> The Original Rolling Ball Clock
>>> Idle Tyme
>>> Idle-Tyme.com
>>> http://www.idle-tyme.com
>>>
>>> On 8/13/2017 6:14 PM, Jerry Buxton wrote:
>>> 5 kHz is the nominal "wide" setting for ham radio
>>> equipment on the
>>> VHF/UHF bands. So a rig set to 5 kHz is what we all
>>> usually expect.
>>> 5 kHz deviation with 3 kHz audio (the usual top for
>>> most voice) would be
>>> about 16 kHz bandwidth. The deviation number alone is
>>> not equal to
>>> bandwidth. ("Carson's Rule")
>>> Low audio is usually just that, not talking loud
>>> enough, not talking
>>> into the mic properly, mic gain setting too low, food
>>> in the mic hole, etc.
>>>
>>> Jerry Buxton, NØJY
>>>
>>> On 8/13/2017 17:55, Ronald G. Parsons wrote:
>>> I’ve noticed lately that many stations on AO-85
>>> have barely audible modulation. Yet other stations
>>> have clear audio with good quieting. I have heard
>>> the some manufacturers of hand-held and mobile
>>> rigs are setting their maximum deviation to 5 kHz
>>> or even less. I have noticed the same effect on
>>> local repeaters. Has anyone done any tests of the
>>> deviation required for reasonable quieting on
>>> AO-85? Or are more stations using lower power than
>>> in the past?
>>>
>>> Ron W5RKN
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