[50mhz] [VHF] Name this sound
k8kfj at aol.com
k8kfj at aol.com
Sun Jan 30 16:43:08 EST 2011
David Kozinn K2DBK wrote:
> I'm definltely a little pistol station, 100w into a loop,
> but from what you and others have said it seems like that
> should be sufficient.
I worked CU8AO/m in the Azores in 2002 along with a number
of European countries all with 100w and loop in the back
yard. SP8UFT in Poland was quite a surprise.
However, I haven't witnessed those kind of 6m condx
since that time. Very disappointing. I guess 2002 was
just an exceptional year for VHF and working across the
pond.
73, Gary -K8KFJ-
-----Original Message-----
From: David Kozinn, K2DBK <dkozinn at gmail.com>
To: Les Rayburn <les at highnoonfilm.com>
Cc: Joe <jbarkley at truvista.net>; 50mhz <50mhz at mailman.qth.net>; vhf <vhf at w6yx.stanford.edu>
Sent: Sat, Jan 29, 2011 3:39 pm
Subject: Re: [VHF] Name this sound
Hi Les,
I'll try to find some time to make a contact, since 6m has certainly been
uiet lately. I've dropped into pingjockey in the past but haven't really
tuck around long enough to see things happening. I'm definltely a little
istol station, 100w into a loop, but from what you and others have said it
eems like that should be sufficient.
3,
David, K2DBK
k2dbk.com
k2dbk.blogspot.com
n Thu, Jan 27, 2011 at 12:32 PM, Les Rayburn <les at highnoonfilm.com> wrote:
> David,
Now that youve experienced decoding these signals, I hope youll consider
making a few contacts too. Its easy to get started, and as youve seen
random contacts happen every day on the calling frequency of 50.260. Or you
can coordinate an attempt with a friendly station on www.pingjockey.net
I recommend reading the mail on Ping Jockey for a day or two, and learning
the lingo. Then reach out to a station about 600-800 miles away, which is
optimum for Meteor Scatter and ask them to try a contact. Most experienced
MS guys will be happy to walk you through the first contact. To be a valid
contact, you cant exchange any information online during the contact, but
for the first attempt dont worry about getting one in the logbook, just
learning the process. Its easy and fun.
Not only does it give you something fun to do during the long winter dry
spell, but it offers smaller stations (like mine) a chance to work stations
that might otherwise be impossible. 2 Meters is more of a challenge, but
WSJT can still make contacts possible year-round.
73,
Les Rayburn, N1LF
EM63nf
121 Mayfair Park
Maylene, AL 35114
6M VUCC #1712
Grid Bandit #222
*From:* David Kozinn, K2DBK <dkozinn at gmail.com>
*Sent:* Thursday, January 27, 2011 8:12 AM
*To:* Joe <jbarkley at truvista.net>
*Cc:* 50mhz at mailman.qth.net ; vhf at w6yx.stanford.edu
*Subject:* Re: [VHF] Name this sound
Again, thanks to all for helping, and as I noted (some may have missed the
message), it was indeed ISCAT. If you've never listened, it does sound very
different from FSK441 which is actually what I was expecting to hear there.
In fact, after the signal went away, I did hear some FSK441 (also from a
relatively local ham, it was MS) and was able to decode that as well.
Thanks for the interesting diversion into the world of weak-signal digital
modes.
73,
David, K2DBK
k2dbk.com
k2dbk.blogspot.com
On Thu, Jan 27, 2011 at 6:11 AM, Joe <jbarkley at truvista.net> wrote:
> Sounds like ISCAT. I have not used it but it is in the mode selection
> in the WSJT 9.0 version.
> Joe
> KI4TZ
>
> David Kozinn, K2DBK wrote:
>
> This evening, I've heard a sound on 50.260 that I haven't been able to
> identify. I'm not familiar with all the digital modes so this might be
> something relatively simple, but I couldn't find a clip online that
matched
> it, nor could I figure out which of the many modes available in DM780
(part
> of Ham Radio Deluxe) could decode it. The audio lasts for just under 30
> seconds and seems to repeat after 30 seconds of silence, so I was
thinking
> it might be a weak-signal mode but it's very wide and didn't match
anything
> in WSJT that I could find either.
>
> Rather than try to describe it, I've posted a full "cycle" of the sound
up
> on my website (since I didn't know if I could post an attachment here).
> Here's the link: http://k2dbk.com/50.260.mp3
>
> Can someone let me know what this is? Thanks!
>
> 73,
> David, K2DBK
> k2dbk.com
> k2dbk.blogspot.com
>
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