[RTTY] What is this auto mode that QRM's me?

Joe Subich, W4TV lists at subich.com
Sun Mar 30 14:53:22 EDT 2014 

Does anyone else see something inherently *wrong* about stinklink
monopolizing every frequency from 3565 - 3600 KHz?  And now ARRL
wants to allow those channels to expand to nearly 3 KHz each!

73,

    ... Joe, W4TV


On 3/30/2014 1:14 PM, Terry wrote:
> Here is a list of 80 meter Winlink frequencies:
>
>
> VE1YZ		3,565.000 KHz	Pactor 1,2,3,4
> VE1YZ		3,565.000 KHz	WINMOR 1600
> WG3G		3,569.000 KHz	Pactor 1,2,3
> CIW930	3,571.500 KHz	Pactor 1,2,3,4
> VE7SCC	3,571.500 KHz	Pactor 1,2,3,4
> WB9FHP	3,575.500 KHz	WINMOR 500
> N9LOH		3,579.200 KHz	WINMOR 500
> N4MEH		3,580.000 KHz	Pactor 1,2,3
> AB7AA		3,582.500 KHz	Pactor 1,2
> AB7AA		3,582.500 KHz	WINMOR 500
> W5SEG		3,584.500 KHz	Pactor 1,2,3
> W5SEG		3,584.500 KHz	WINMOR 500
> RT9K		3,585.000 KHz	Pactor 1,2,3,4
> RT9K		3,585.000 KHz	Robust Packet
> K9BBS		3,585.000 KHz	WINMOR 500
> KB5OZE	3,585.000 KHz	WINMOR 500
> RT9K		3,585.000 KHz	WINMOR 1600
> KF7RSF	3,585.500 KHz	Pactor 1,2,3
> SL5ZXP	3,585.500 KHz	Pactor 1,2,3,4
> KF7RSF	3,585.500 KHz	WINMOR 1600
> SL5ZXP	3,585.500 KHz	WINMOR 1600
> K9BBS		3,586.500 KHz	Pactor 1,2
> K7EK		3,587.000 KHz	Pactor 1,2,3
> K7EK		3,587.000 KHz	WINMOR 1600
> N0IA		3,587.200 KHz	Pactor 1,2,3
> N0IA		3,587.200 KHz	WINMOR 1600
> WA6TVD	3,587.500 KHz	Pactor 3
> WA6TVD	3,587.500 KHz	WINMOR 1600
> K5AEA		3,588.500 KHz	Pactor 1,2,3
> K5AEA		3,588.500 KHz	Robust Packet
> K5AEA		3,588.500 KHz	WINMOR 1600
> AB7AA		3,589.000 KHz	Pactor 3
> KK5AN		3,589.000 KHz	Pactor 3
> KQ4ET		3,589.000 KHz	Pactor 1,2,3
> N7YRT		3,589.000 KHz	Pactor 1,2,3
> WL7CVG	3,589.000 KHz	Pactor 1,2,3
> AB7AA		3,589.000 KHz	WINMOR 1600
> KQ4ET		3,589.000 KHz	WINMOR 1600
> WA7ODN	3,589.500 KHz	WINMOR 1600
> KN6KB		3,590.000 KHz	Pactor 3
> N0IA		3,590.000 KHz	Pactor 1,2,3
> V51PJ		3,590.000 KHz	Pactor 1,2
> W0MAC		3,590.000 KHz	Pactor 1,2,3
> KN6KB		3,590.000 KHz	WINMOR 1600
> N0IA		3,590.000 KHz	WINMOR 1600
> W0MAC		3,590.000 KHz	WINMOR 1600
> W6SH		3,590.000 KHz	WINMOR 1600
> CIW931	3,590.500 KHz	Pactor 1,2,3
> K7ODN		3,591.000 KHz	Pactor 1,2,3
> N5SSH		3,591.000 KHz	Pactor 1,2,3
> XE2BNC	3,591.700 KHz	Pactor 3,4
> XE2BNC	3,591.700 KHz	WINMOR 1600
> KE7XO		3,592.000 KHz	Pactor 3
> KR4MA		3,592.000 KHz	Pactor 1,2,3
> W0MAC		3,592.000 KHz	Pactor 1,2,3
> WE9COM	3,592.000 KHz	Pactor 1,2,3
> KE7XO		3,592.000 KHz	Robust Packet
> KE7XO		3,592.000 KHz	WINMOR 1600
> W0MAC		3,592.000 KHz	WINMOR 1600
> W7ODN		3,593.000 KHz	Pactor 1,2,3
> WX4J		3,593.000 KHz	Pactor 1,2,3
> WX4J		3,593.000 KHz	WINMOR 1600
> K0SI		3,594.000 KHz	Pactor 1,2,3
> KE5VRO	3,594.000 KHz	Pactor 1,2,3
> KA7HRC	3,595.000 KHz	Pactor 1,2,3
> KB5HCD	3,595.000 KHz	Pactor 3
> KC4TVO	3,595.000 KHz	Pactor 1,2,3
> KL7EDK	3,595.000 KHz	Pactor 1,2,3
> LA3F		3,595.000 KHz	Pactor 1,2
> KL7EDK	3,595.000 KHz	WINMOR 1600
> LA3F		3,595.000 KHz	WINMOR 500
> N5TW		3,596.000 KHz	Pactor 1,2,3
> N5TW		3,596.000 KHz	WINMOR 1600
> K1SGA		3,596.020 KHz	Pactor 1,2,3
> OH2AV		3,596.500 KHz	WINMOR 1600
> K7DAV		3,597.000 KHz	Pactor 1,2,3
> K7DAV		3,597.000 KHz	WINMOR 1600
> DB0ZAV	3,597.500 KHz	Pactor 1,2
> DB0ZAV	3,597.500 KHz	WINMOR 500
> LA3F		3,597.900 KHz	Pactor 1,2
> W1EO		3,597.900 KHz	Pactor 1,2,3
> LA3F		3,597.900 KHz	WINMOR 500
> W1EO		3,597.900 KHz	WINMOR 1600
> W4CPG		3,598.000 KHz	Robust Packet
> OE6XPD	3,598.500 KHz	Pactor 1,2,3,4
>
> -----Original Message-----
> From: RTTY [mailto:rtty-bounces at contesting.com] On Behalf Of Jerry Flanders
> Sent: Sunday, March 30, 2014 11:32 AM
> To: Shoppa, Tim; rtty at contesting.com
> Subject: Re: [RTTY] What is this auto mode that QRM's me?
>
> At 12:20 PM 3/30/2014, you wrote:
>> With all the Winlink and RM-11708 talk going around, I have a question.
>>
>> When I contest especially on 80M RTTY band (also occurs other bands,
>> but most frequently on 80M RTTY band, may be weighted by the fact that
>> I like 80M the most!) I am often QRM'ed by some sort of automatic
>> digital mode.
>>
>> This auto mode is characterized by two sides chirping at each other,
>> one side typically is "longer" than the other. The short chirps are
>> just a second or so, the longer chirps are several seconds.
>>
>> Bandwidth is similar or broader than RTTY but it is not RTTY.
>>
>> I think this is some sort of ALE mode or HF packet, but don't know if
>> it's Winlink.
>>
>> It most frequently comes up on me after I've been running on a freq for
>> 10 or 20 minutes or even more.
>>
>> I know that this auto mode "sees me" because if I pause, it switches
>>from "short chirps", to the long chirps. So clearly this auto mode sees
>> me on the frequency and knows the frequency isn't clear, but is trying
>> to carry on nevertheless.
>>
>> Does this sound familiar? I am on east coast US and I'm pretty sure
>> this is some sort of ALE mode (unsure which one) and I'm 100% sure
>> there's no human at either end.
>>
>> Tim N3QE
>> _______________________________________________
>> RTTY mailing list
>> RTTY at contesting.com
>> http://lists.contesting.com/mailman/listinfo/rtty
>
> A guess: The long chirps when you pause probably means that it could not
> transfer data while you were txing, but took advantage of your stopping to
> transfer it. I suspect it would give up after a few minutes if it could not
> complete the transfer, but i might be wrong.
> If the rx station doesn't receive valid data, it requests a repeat (the
> short chirp). the tx station then tries again with the long chirp. When you
> went qrt, the rx station received all OK, and stopped requesting repeats.
> Don't know what mode.
>
> Jerry W4UK
>
> _______________________________________________
> RTTY mailing list
> RTTY at contesting.com
> http://lists.contesting.com/mailman/listinfo/rtty
>
> _______________________________________________
> RTTY mailing list
> RTTY at contesting.com
> http://lists.contesting.com/mailman/listinfo/rtty
>

More information about the RTTY mailing list