Operators: consider 6925 alternatives.

[ChrisSmolinski]

Pardon my ignorance .... but just what is "Link-11"??

It's a US military data mode:
http://www.fas.org/irp/program/disseminate/tadil.htm
http://www.lucabarbi.it/oldweb/th/TH_Link11.pdf

Here is a recording: https://soundcloud.com/jasuradio/tadil-9022khz

[Pigmeat]

Years ago 6950 and 6955 were all the rage. I don't recall what caused everyone to move to 6925, but are those reasons still valid? I know that they still get used, although infrequently, and they have had their own interference problems.

6950 was nothing  but blasting data transmissions 24/7 for about a year after 9/11, and on and off until sometime in roughly in '03/'04. We all decided moving south would be a good idea and gradually moved to 6925 over a couple of months in late '01/early '02. WHYP was the first to make the move, if I'm not mistaken?

6955 has been open since the Chilean domestic moved from 6956.5 nearly a decade ago. However 6955 is a back up frequency for the Canadian Air Force. I think I've heard them there once in 15 years, but it is something to be aware of.

As for the pescadores, they're as illegal as we are. I always signed on over top of them.

Where's Dr. Tornado when he's needed? He could always clear the band of pescadores.

[Beerus Maximus]

Agree. It seems that there is some sort of nightly"ragchew" fish net on 6925L. They get there early, and then leave late."

I am not certain these guys are actually on boats, at least not all of them. At least a couple of them, like "Deep Audio Guy", I think are land based. The signal strength is much stronger and more consistent with him than the guys who might be on boats. My theory is these guys are out of the Azores. I can't speak Portuguese, but I am pretty sure it is. "Deep Audio Guy" sounds kind of like one of the hi-fi SSBers on ham radio. You can sometimes tell that they are discussing radio stuff by picking out various words like brand names associated with ham gear.

[Pigmeat]

You could be right. Azorean fisherman have been working the Grand Banks (and those further south) for over 500 years. There's a large Azorean community in Rhode Island and Mass. The "Deep Audio Guy" could be network control for a segment of the fishing fleet.

[Beerus Maximus]

Yep. Also, this same gang, including "Deep Audio Guy" was up around 6960-6970ish over the winter and spring (I think 6970) pretty much all the time, like they are these days on 6925. I wonder why they moved down.

[RRS]

Just keep in mind that the area of 6.930-6.935 has in the not so distant past been used by MARS you want to stay away from those folks!

[Pigmeat]

BTW, hurricane season is here. The Hurricane net's in the Southeast generally use the area around 6915 in LSB. I heard one of them a couple of months back doing a preseason net check on 6913.5

[ChrisSmolinski]

6925 USB was occupied by a PSK UTE last evening, here at least, from 0344 until 0446 UTC. A fairly strong signal that covered the Radio Echo One relay and RTN.

[Zoidberg]

Yeah, last night those PSK bursts were wiping out 6925 USB, but I was still able to copy Echo One fairly well via the ECSS-LSB or plain LSB options on an eastern web control SDR.

I'm not hearing too much ute or voice QRM via my home tuners on or near 6925.  For that matter I haven't heard the Portuguese language chanters on 7000 for awhile either.  They used to come in really well near dawn.  Pretty entertaining stuff - lots of odd chanting, with each participant gradually adding to the vocal cacophony.  I'm wondering if that's who some folks are hearing on 6925 recently.  The description of the "deep audio guy" acting as a sort of net control sounds a lot like the fellow I used to hear on 7000.

[Echo_One]

Its for this reason all relays have their sound increased by 50% before transmission. I did drown the PSK out at one point which i thought was epic