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ALE Networks


Contents

Overview

This page consolidates a listing of ALE Networks that are active on HF Radio. For an overview of ALE, of course see the ALE page. Also see the Utility Monitoring Central Networks website for more information.

ALE Networks can be tracked and monitored using the PC-ALE application, among several others.

US Air Force GHFS ALE Network

ALE Address and Frequency Chart
Station      ALE      Frequency
             Address  3137 4721 5708 6721 9025 11226 13215 15043 18003 23337
----------------------------------------------------------------------------
Andrews      ADW       x    x    x    x    x    x     x     x     x     x
Ascension    HAW       x    x         x    x    x     x     x     x     x
Croughton    CRO       x    x         x    x    x     x     x     x     x
Diego Garcia JDG       x    x    x    x    x    x     x     x     x     x
Elmendorf    AED       x    x    x    x    x    x     x     x     x     x
Guam         GUA       x    x    x    x    x    x     x     x     x     x
Hawaii       HIK       x    x         x    x    x     x     x     x     x
Keflavik     IKF       x    x    x    x    x    x     x     x     x     x
Lajes        PLA       x    x    x    x    x    x     x     x     x     x
McClellan    MCC       x    x    x    x    x    x     x     x     x     x
Offutt       OFF       x    x    x    x    x    x     x     x     x     x
Salinas      JNR       x    x    x    x    x    x     x     x     x     x
Sigonella    ICZ       x    x    x    x    x    x     x     x     x     
S Atlantic   MPA       x    x    x    x    x    x     x     x     x     x
West Coast   MCC       x    x    x    x    x    x     x     x     x     x
Yokota       JTY       x    x         x    x    x     x     x     x     x

US Air Force SIPRNET ALE Network

5702.0
5708.0
6715.0
8968.0
11181.0
17976.0
27870.0

US Air Force NIPRNET ALE Network

3068.0
4745.0
5684.0
8965.0
11199.0
13242.0
17973.0
20631.0

US Army Flight Watch Service (Southern Command)

All Frequencies USB

8065
8972
12022
16144.5
19103.5

US Army National Guard

4882.0
4924.5
5202.0
8047.0
10816.5
14653.0 
16338.5
17458.5

The following ALE nets are listed on this undated Texas National Guard document.

HQ NGB Arlington VA
3032.0
4924.5
5847.0
8047.0
10816.5
12087.0
13568.0
14653.0
16338.5
17458.5
19233.5
20906.0
26697.0
NGB Region 6 Little Rock AR
4867.0
5878.5
7648.5
9121.0
10690.0
12057.0
14350.5
HQ Texas National Guard
6907.0
5777.0
5202.0
5877.0
9119.5
9062.0
5062.0
4517.0

CBP / DHS COTHEN Network

All Frequencies USB. This ALE network is very busy with CBP, US Coast Guard, and other units that are part of the US Dept of Homeland Security. The US Coast Guard is starting to use this network as a primary flight following mechanism for helos and aircraft, so you will hear lots of position and operations reports on the network. CBP Interceptor Aircraft and P-3 AWACS aircraft also use the network, however most comms are in PARKHILL encryption (sounds like Donald Duck).


See this article on the Milcom Blog for additional information on sites and frequencies

5732.0
7527.0
8912.0
10242.0
11494.0
13907.0
15867.0
18594.0
20890.0
23214.0
25350.0

ADDITIONAL FREQUENCIES 10/15/09

4614.5 
5250.0 
5909.5 
12222.0 
13312.0 
14582.0 
20662.0

Mexican Air Force

ALE IDs ACERO## found sounding here. No voice yet. Still looking for the other frequencies as part of this network

5734

Pemex (PetrĂ³leos Mexicanos) Mexico

Logged soundings of AKALN2 and AKALL1

2182.0
7450.0
11095.0

Logged soundings AKALN2 AKALJ2 AKALL1

9265.0

International Amateur Radio ALE Network Channel List

This ALE channel list is in everyday use in the Amateur Radio service, for normal communication. ALE channels are frequency coordinated internationally, and operators are subject to the different rules, regulations, and bandplans of their region and local country of operation. There is commonly an ALE signal active on the air, every minute of every day on one of these frequencies somewhere in the world.

GLOBAL ALE HIGH FREQUENCY NETWORK (HFN) AMATEUR RADIO
CH# FREQ kHz SIDEBAND COMMON USE, DESCRIPTION, AREA, NETCALL 
---- 
01- 3596.0 USB ALE DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN
02- 3791.0 USB ALE VOICE, PRIMARY, WORLDWIDE, HFL
03- 3996.0 USB ALE VOICE, NORTH AMERICA, HFL
04- 5357.0 USB ALE VOICE, NORTH AMERICA, HFL
05- 5371.5 USB ALE VOICE/DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN 
06- 7102.0 USB ALE DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN  
07- 7185.5 USB ALE VOICE, PRIMARY, WORLDWIDE, HFL
08- 7296.0 USB ALE VOICE, NORTH AMERICA, HFL
09- 10145.5 USB ALE DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN 
10- 14109.0 USB ALE DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN 
11- 14346.0 USB ALE VOICE, PRIMARY, WORLDWIDE, HFL
12- 18106.0 USB ALE DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN
13- 18117.5 USB ALE VOICE, PRIMARY, WORLDWIDE, HFL
14- 21096.0 USB ALE DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN
15- 21432.5 USB ALE VOICE, PRIMARY, WORLDWIDE, HFL
16- 24926.0 USB ALE DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN
17- 24432.0 USB ALE VOICE, PRIMARY, WORLDWIDE, HFL
18- 28146.0 USB ALE DATA/SOUNDING, PRIMARY, WORLDWIDE, HFN
19- 28312.5 USB ALE VOICE, PRIMARY, WORLDWIDE, HFL

Amateur Radio ALE technical standards:

1. ALE System= MIL-STD 188-141 ; FED-1045 (8FSK - 2kHz Bandwidth)
2. If repetitive sounding, transmit soundings only on the Primary Data Channels.
3. Calling or sounding transmission: Maximum Duration = 22 seconds.
4. Sounding Interval= 60 Minutes (or more) for same channel.
5. When sounding, always use "This Was Sound" (TWS). 
6. Scan rate: 1 channel per second when scanning 10 channels or less. 
7. Scan rate: 2 ch/sec or faster when scanning 11 channels or more. 
8. Digital Modes Center Audio Frequency = 1625 Hz 
9. Short text messaging standard = AMD. 
10. Always transmit "CLEAR LINK" after ALL CALLS, QSOs, and LINKS. 
11. There is no guarantee that a channel is clear in a local area or region. 
12. Use LBT (Listen Before Transmit). 
13. Tune Time (TT) max = 2 seconds (or 2048mSec)
14. Time Wait for Reply (TWR) max = 2 seconds (or 2048mSec)
15. Link Quality Analysis (LQA) time out = 3 hours (or 180 minutes)
16. Linked PTT Inactivity (TWA) time out = 5 minutes (or 300 seconds)

Amateur Radio ALE NETCALLS always use 3 characters:

1. HFN = HIGH FREQUENCY NETWORK DATA/SOUND HFLINK.NET (10 member slots)
2. HFL = HIGH FREQUENCY NETWORK VOICE HFLINK.NET (10 member slots) 

Info: This listing is current as of FEB2015. For more information about Amateur Radio ALE and updates of this channel list please see the ALE coordination organization HFLINK.COM.


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