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Best Strategies For Monitoring and Storing HF Volmet and ARINC Frequencies
This author has been studying commercial aviation communications since at least the early 90s.
Everyone who monitors HF frequencies eventually finds something they like. For some people, it's the CW portion of the amateur bands, for some it's numbers stations, and for others....it's listening to aircraft criss-cross the globe.
If you're new to this, it's important to know that you need a shortwave receiver with SSB coverage. SSB is upper and lower sideband.
If you're going to invest in an HF receiver, choose wisely. This author recommends Sangean, Kenwood, Yaesu, and Icom.
IF you REALLY have money to spend, there are two or three high end models out here that you should invest in. Those brands are AOR, Icom, and JRC.
Which models should you buy? AOR makes the AR - 8200 MK 3-B (Hand portable), and the AR - 8600 MK 2-B (Base). ICOM makes the R-75 and R-9500. JRC is also a great radio! Anything you buy from JRC is a great investment!
With radio recommendations spoken for, we can now discuss strategies for monitoring and storing commercial aviation HF oceanic communications frequencies.
The first thing you should know is that commercial aviation oceanic comms are spread out by region.
On the west coast is Hawaii Volmet, and San Francisco ARINC. On the east coast is New York Volmet, and New York ARINC. All frequencies used by the two Volmet stations run by the FAA, and all of the ARINC frequencies are used in SSB, specifically USB (upper side band)
The next thing you need to know and commit to memory is that the frequencies used are divided by daytime and nighttime usage. Higher frequencies for daytime, lower frequencies for nighttime.
The BEST strategy this author has found to monitor both of the volmet centers and both of the ARINC centers is to program daytime volmet frequencies first, followed by daytime ARINC frequencies according to ARINC region.
Whether you go west to east, or east to west doesn't matter. Keep in mind that one of these methods is highly recommended so you can keep your memory channels and memory banks orderly.
ARINC regions are organized by "Network region".
New York ARINC regions are:
Network North Atlantic "A"
Network North Atlantic "E"
Carribean Network "A"
Carribean Network "B"
As you see, the east coast of the U.S. ARINC system has a total of four networks.
The west coast ARINC system gets a little more complicated because they have to break up the Pacific Ocean into more strategic coverage areas.
The west coast ARINC networks are:
Central East Pacific Network 1
Central East Pacific Network 2
Central West Pacific Network
South Pacific Network
North Pacific Network
After much study, thought, and experimentation, this author found that the following memory program will more likely work for most people. All said and done, you'll need 90 memory channels since we're also going to add U.S. HF-GCS frequencies. An explanation for that will come later.
Memory Channel Assignment
WWV Daytime 1 - 20.000
WWV Daytime 2 - 15.000
WWV Daytime 3 - 10.000
WWV Nighttime 1 - 5.000
WWV Nighttime 2 - 2.5000
HNL Volmet Daytime - 13.282
New York Volmet Daytime 1 - 13.270
New York Volmet Daytime 2 - 10.051
New York Network "A" Daytime - 13.306
New York Network "A" Daytime 2 - 17.946
New York Network "A" Daytime 3 - 21.964
New York Network "E" Daytime 1 - 11.309
New York Network "E" Daytime 2 - 13.354
New York Network "E" Daytime 3 - 17.952
Carribean Network "A" Daytime - 11.396
Carribean Network "B" Daytime - 11.330
Carribran Network "B" Daytime 2 - 13.297
Carribean Network "B" Daytime 3 - 17.907
SFO ARINC Central East Pacific Network 1 Daytime - 10.057
SFO ARINC Central East Pacific Network 1 Daytime 2 - 13.354
SFO Central East Pacific Network 2 Daytime - 11.282
SFO Central East Pacific Network 2 Daytime 2 - 13.288
SFO Central East Pacific Network 2 Daytime 3 - 21.954
SFO Central West Pacific Network Daytime - 11.384
SFO Central West Pacific Network Daytime 2 - 13.300
SFO Central West Pacific Network Daytime 3 - 17.904
SFO Central West Pacific Network Daytime 4 - 21.985
SFO South Pacific Network Daytime - 13.261
SFO South Pacific Network Daytime 2 -17.904
SFO North Pacific Network Daytime 10.048
SFO North Pacific Network Daytime 2 - 11.330
SFO North Pacific Network Daytime 3 - 13.273
SFO North Pacific Network Daytime 4 - 13.339
SFO North Pacific Network Daytime 5 - 17.946
SFO North Pacific Network Daytime 6 - 21.925
At this point you'll notice a system pattern of grouping east to west and lowest daytime frequency to highest daytime frequency.
You'll notice that WWV daytime frequencies are listed first, followed by WWV nighttime frequencies. That was done as a good idea in the event you don't have a clock nearby or your clock stops working...you'll always have a quick way to know what time it is.
WWV is also a nice way to test propagation at any given time.
Suggested Nighttime Volmet and ARINC programming / monitoring list:
HNL (Hawaii) Volmet Nighttime 1 - 2.863
HNL Volmet Nighttime 2 - 6.679
HNL Volmet Nighttime 3 - 8.828
New York Volmet Nighttime 1 - 3.485
New York Volmet Nighttime 2 - 6.604
New York ARINC Night North Atlantic Network "A" - 3.016
New York ARINC Night North Atlantic Network "A" 2 - 5.598
New York ARINC Night North Atlantic Network "A" 3 - 8.906
North Atlantic Network "E" Nighttime 1 - 2.962
North Atlantic Network "E" Nighttime 2 - 6.628
North Atlantic Network "E" Nighttime 3 - 8.825
Carribean Network "A" Nighttime 1 - 2.287
Carribean Network "A" Nighttime 2 - 3.455
Carribean Network "A"Nighttime 3 - 5.550
Carribean Network "A" Nighttime 4 - 6.577
Carribean Network "A" Nighttime 5 - 8.846
Carribean Network "B" Nighttime 1 - 5.520
Carribean Network "B" Nighttime 2 - 6.586
Carribean Network "B" Nighttime 3 - 8.918
SFO (San Francisco) Central East Pacific Network Nighttime 1 - 3.413
Central East Pacific Network Nighttime 2 - 3.452
Central East Pacific Network Nighttime 3 - 5.574
Central East Pacific Network Nighttime 4 - 6.673
Central East Pacific Network Nighttime 5 - 8.843
Central West Pacific Network Nighttime 1 - 2.998
Central West Pacific Network Nighttime 2 - 4.666
Central West Pacific Network Nighttime 3 - 6.532
Central West Pacific Network Nighttime 4 - 8.903
South Pacific Network Nighttime 1 - 3.467
South Pacific Network Nighttime 2 - 5.643
South Pacific Network Nighttime 3 - 8.867
North Pacific Network Nighttime 1 -2.932
North Pacific Network Nighttime 2 - 5.628
North Pacific Network Nighttime 3 - 5.667
North Pacific Network Nighttime 4 - 6.655
North Pacific Network Nighttime 5 - 8.915
North Pacific Network Nighttime 6 - 8.951
So far, if you're paying attention and keeping track of the Volmet and ARINC system layouts, you've noticed this overall pattern of system design and usage:
HNL Volmet has a total of 4 frequencies
N.Y. Volmet has a total of 3 frequencies
North Atlantic Network has a total of 12 frequencies
Carribean Network has a total of 12 frequencies
Central East Pacific Network has a total of 10 frequencies
Central West Pacific Network has a total of 8 frequencies
South Pacific Network has a total of 5 frequencies
North Pacific Network has a total of 12 frequencies
Now we move forward to the LDOC frequencies. LDOC is Long Distance Operational Control. These frequencies are used by flight crews who need to send messages to their operations centers.
There are a total of 6 LDOC frequencies, 4 daytime and 2 nighttime frequencies.
11.342 daytime
13 348 daytime
17.925 daytime
21.964 daytime
3.494 nighttime
6.640 nighttime
For an even more detailed technical explanation of these, and other frequencies along with a more exhaustive INTERNATIONAL listing of HF aeronautical frequencies, see the February 25th, 2015 update at the B-Town Wide Spectrum Monitor Blog by Larry Van Horn N5FPW (President Teak Publishing Company)
http://monitor-post.blogspot.com/p/this-international-hf-aero-frequency.html?m=1
With all of that out of the way, let's add the U.S. HF-GCS frequencies to this list. These should be part of monitoring strategy since military aero activity and other military matters impact commercial aviation travel.
U.S. HF-GCS Daytime frequencies:
11.175 - main
13.200 back - up
15.016 back - up
U S. HF-GCS Nighttime frequencies:
4.724 back - up
6.739 back - up
8.992 - 24 hours
That's it! Hopefully, all of you enjoyed this and find it useful!
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