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Go Back   SailNet Community > General Interest > General Discussion (sailing related) > What frequency do toy dail in to pick SSB weather report and weather chart?
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Thread: What frequency do toy dail in to pick SSB weather report and weather chart? Reply to Thread
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Topic Review (Newest First)
04-10-2013 06:17 PM
xort Where are you? Ssb is difficult inland, even at marinas.
04-10-2013 01:59 PM
RichH
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

Well if youre intended usage is an iPad and HF FAX app., there is a screen function to help 'fine tune' your radio on the HF FAX app ... just match the two 'peaks' of the wave forms over each 'bar' in the tuning screen to optimize.
You optimize in the app. fine tuning screen by using the 'fine tuning' function on your 909 using the manual tuning control dial.

For 'fine tuning' on the 909x, there is a digital 'bar graph' in the control screen of the radio ... indicating 'full', 'small' and 'none' for the amount of 'tuning' (should be printed on the right margin next to the digital 'window') ... and when your press 'step set' a little arrow beside the bar graph will change to indicate the 'fineness' of the adjustment when turning the manual tuning knob. This full/small/none controls the 'amount' of fine tune .... and when in 'small' you wont see any change in the digital screen output, but you will hear up or down the frequency shift when you slowly turn the manual control. Youll want 'small' to precisely trim the frequency when using the 'tuning' function on your iPad APP.

The Sangean 'instructions' are in "Chinese-lish" and therefore not all that easy to understand.

Ive found that with the iPad HF FAX app and because of its very precise 'tuning' function screen I can get better download precision and with much less 'noise' than with a dedicated demodulator to PC(Mac) set up.
Do control your radio audio output so that the 'volume bar' in the HF FAX app is just 'bouncing' on the far right side end of that digital bar graph scale in the app program ... or youll be over-modulating into the iPad microphone.

The only 'con' with the HF FAX app. is that it doesnt auto-save the WeFAX as do most WeFax demodulator-PC(Mac) programs ... or maybe Im just stupid with the app's auto-save controls.
04-10-2013 01:14 PM
rockDAWG
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

Quote:
Originally Posted by RichH View Post
A complete list of current broadcast schedules and broadcast areas: http://www.nws.noaa.gov/om/marine/rfax.pdf
For worldwide WeFAX schedules go to Wefax.de

With the 909x be sure to use the AM mode button and switch to USB; if you tune in on AM youll get NADA in reception on a WeFAx freq.
Plus, to fine tune down that 1.9 kHz on a 909x, set the 'step' function to 'small' and tune down using the manual dial. To get precise downloads you really have to fine tune the receiver vs. the fine tune function on the WeFAx app's tuning window to optimize downloading.
Most broadcast WeFax is broadcast in vertically polarized mode .... use your 'long wire' straight vertical orientation if youre having reception problems, if possible to match the orientation of the sending and receiving antennas for 'close' reception.

If you dont have it, consider the "HF FAX" app. (cheap) for use with an iPad; no patch cord required ... or "Multimode" for a Mac; need audio 'patch' cord.
These are very elegant, precise and simple to use apps.
Thanks Rich, this would be very helpful. I am not quite understand your instruction, since I have not mastered the operation of the 909x yet. The manual sucks, may be becasue I am not a radio head.

I have downloaded HF Fax app on my iPad and iPhone; that is the reason why I purchased the 909X. Hopefully this will give me an additional input during the long voyage crewing for other people's boat.

Thanks again.
04-10-2013 01:03 PM
rockDAWG
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

Quote:
Originally Posted by blowinstink View Post

By "keep this thread on topic" I assume you mean "don't ask what the hell you are doing" so I won't

Matt
I want to receive both voice and Weather Fax if possible. When I dialed in the frequency, I could not hear the fax transmission.

I welcome anyone to ask me questions to help me to get what I need. But I am tired of the big cheese hijacking the thread. There are a few of them, it is almost impossible for the boatless members to get proper help.
04-10-2013 12:03 PM
RichH
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

A complete list of current broadcast schedules and broadcast areas: http://www.nws.noaa.gov/om/marine/rfax.pdf
For worldwide WeFAX schedules go to Wefax.de

With the 909x be sure to use the AM mode button and switch to USB; if you tune in on AM youll get NADA in reception on a WeFAx freq.
Plus, to fine tune down that 1.9 kHz on a 909x, set the 'step' function to 'small' and tune down using the manual dial. To get precise downloads you really have to fine tune the receiver vs. the fine tune function on the WeFAx app's tuning window to optimize downloading.
Most broadcast WeFax is broadcast in vertically polarized mode .... use your 'long wire' straight vertical orientation if youre having reception problems, if possible to match the orientation of the sending and receiving antennas for 'close' reception.

If you dont have it, consider the "HF FAX" app. (cheap) for use with an iPad; no patch cord required ... or "Multimode" for a Mac; need audio 'patch' cord.
These are very elegant, precise and simple to use apps.
04-09-2013 06:47 PM
SVAuspicious
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

Quote:
Originally Posted by blowinstink View Post
Quote:
Originally Posted by SVAuspicious View Post
I'm so proud of Matt. He did well.
Bite me.
And who called whom from where and how?

You have done well grasshopper.
04-09-2013 06:17 PM
blowinstink
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

Quote:
Originally Posted by SVAuspicious View Post
I'm so proud of Matt. He did well.
Bite me.
04-09-2013 06:13 PM
SVAuspicious
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

I'm so proud of Matt. He did well.

Look for JVCOMM32 for weather fax demodulation.

The cable should be 1/8" male mono to 1/8" male stereo. You'll probably end up with a mono to mono cable and a mono to stereo adapter.

rfax.pdf is global but there are holes in coverage in the South Pacific. See the files and presentations on the svsoggypaws.com website for alternatives there.
04-09-2013 05:46 PM
blowinstink
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

Quote:
Originally Posted by rockDAWG View Post
I bought a short wave radio with a 30 ft antenna,
Amazon.com: Sangean ATS-909X AM/FM/LW/SW World Band Receiver: Electronics

so far I have no luck picking up any useful weather stations at my house. I am not sure if this is due to my location (land) vs at sea.

I used this link to get the frequency listing.

http://www.nws.noaa.gov/os/marine/rfax.pdf

I also adjusted the 1.9 kHz difference, it makes no difference.

If you have the exact frequencies that you know they work at a specific time, please list them out. There are four areas I am most interested.

1. Norther passage of North Atlantic
2. Mid Atlantic to Bermuda, Azores and Portugal
3. Caribbean sea (East and West)
4. Gulf of Mexico

Please keep this thread on topic. Thanks in advance for your useful input.
RD -
The link you posted looks like it is to NOAA Weather Fax products. If so, you won't get any voice transmission on those frequencies at those times. To download weather fax, you'll need a freeware program and a $10 cable from radioshack (out from the radio speaker and into the laptop on the Mic inlet).

Voice transmissions can be difficult to get -- you need to fine tune a lot. Try picking up Chris Parker. Here is his schedule:

Marine Weather Center - Marine Weather Center Services

Schedule:
Nets conducted 6 days/week, Monday through Saturday.

SUMMER: Effective during US Daylight Saving Time (March-October):
4045 USB 6:30am AST / EDT, 1030 UTC
8137 USB 7:00am AST / EDT, 1100 UTC
4045 USB 8:00am AST / EDT, 1200 UTC
8104 USB 8:30am AST / EDT, 1230 UTC
12350 USB 9:15am AST / EDT, 1315 UTC
6221 USB 9:30am AST / EDT, 1330 UTC

When Tropical weather has the potential to threaten any interests I'm aware of (and occasionally during periods of Spring & Fall migration), we'll conduct an evening Net, usually on 8104 USB at 7:00pm AST / EDT, 2300 UTC, unless announced otherwise.

WINTER: Effective during US Standard Time (November into March):
8137 USB 7:00am AST / 6:00am EST, 1100 UTC
4045 USB 7:30am AST / 6:30am EST, 1130 UTC
8104 USB 8:30am AST / 7:30am EST, 1230 UTC
12350 USB 9:30am AST / 8:30am EST, 1330 UTC
6221 USB 10am AST / 9am EST, 1400 UTC

When Tropical weather has the potential to threaten any interests I'm aware of (and occasionally during periods of Spring & Fall migration), we'll conduct an evening Net, usually on 8104 USB at 7:00pm AST / 6:00pm EST, 2300 UTC, unless announced otherwise.

By "keep this thread on topic" I assume you mean "don't ask what the hell you are doing" so I won't

Matt
04-09-2013 04:55 PM
JonEisberg
Re: What frequency do toy dail in to pick SSB weather report and weather chart?

Dockside Radio is a very useful source for anything related to HF radio...

Net / SSB Frequencies

Weather-FAX Down-loads & SSB Voice Forecasts
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