ALE Selcall Channels Frequencies List | HFLINK | Automatic Link Establishment | International Amateur Radio Service

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ALE and Selcall Channel List - International Amateur Radio Service

Effective Date:
15 JULY 2019

AMATEUR RADIO SERVICE : ALE + SELCALL

• NET | PRIMARY FUNCTION

• HFN= ALE TEXTING OR SOUNDING
• HFL= ALE CALLING SSB VOICE OR DIGITAL VOICE
• HFS= SELCALL CALLING, SSB VOICE OR DIGITAL VOICE, also 0000 EMERGENCY CALL
  
• HFR= SELCALL TEXTING OR RELAY (new net)
  

Important Notes:
1. The old ALE channel 7185.5 kHz USB is changed to new 7185.0 kHz USB.
2. The ALE channel 5357.0 kHz USB is now part of the "HFL" Net.
3. There are many changes to Selcall channels, please see the list.

ALE NETS:

• An ALE net is a group of scanned channel frequencies which have the same purpose, as part of a network.
• To use the Net NETCALL feature, members of the net should program their ALE controller with the same parameters.
• In ham radio ALE, there are 2 primary nets (HFN and HFL), and each net has a total of 3 "members" or address slots (callsign).
• Your own self address (your callsign) is always "member 1".
• Place-holder or fictitious addresses with 6 characters are set in the member 2 and member 3 slots.

"HFL" ALE NET Set Up:
NET NAME = HFL
Sounding=NO
HFL Net, has 3 Member Slots:

• 1= [Your Callsign]
• 2= 123456
• 3= 654321

"HFN" ALE NET Set Up:
NET NAME = HFN
Sounding= YES, 60 minutes, if you are a base station.
Sounding= NO, if you are a mobile or portable station.
HFN Net, has 3 Member Slots:

• 1= [Your Callsign]
• 2= 345678
• 3= 876543

Other Amateur Radio ALE and Selcall standards:

• The standard call or preamble duration is 15 seconds.
• The standard Tune Time is 3 seconds (3000 milliseconds).
• The standard for sounding is TWS (ThisWas).
• The standard for LQA Exchange is None.
• The standard minimum time for Clear Link is 6 minutes (360 seconds) (If linked, the controller should start scanning again after 6 minutes if there is no PTT activity or ALE or Selcall commands).

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