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HamRing Selective Calling App
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HamRing HF Selcall App
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HamRing HF Selective Calling SELCALL App



HamRing Selective Calling App HamRing
Selective Calling App
Introducing HamRing, the new app for HF Selective Calling (Selcall). Use it to call your ham friends, and it quietly monitors your radio frequency for an incoming call. It works with any HF SSB transceiver or VHF-UHF FM transceiver.

HamRing Selective Calling App

HamRing enables operators to call each other on the air. Add your favorite callsigns and selcall numbers to the directory. Send a test beacon or a selcall. HamRing sends a beep response and alerts the other operator of the incoming call.

A HamRing selcall doesn't use the internet; it uses your radio transceiver on a frequency you select.

HamRing me.

How Can I Get HamRing?
A limited experimental demo version is available for download now. A full feature version of HamRing is planned for release in early 2019.

HamRing Download for Windows 10
 		HamRing DOWNLOAD
for Windows
Experimental Demo Version
v0.42 (zip file)
hamring-0.42_demo.zip
Please unzip and run.
includes a limited license
(also for Windows 7, etc.)
HamRing Download for Mac OS
 		HamRing DOWNLOAD
for Mac OS
 Experimental Demo Version
v0.42 (dmg file)
includes a limited license
Note:
The Experimental Demo version of HamRing is not available yet in any other OS.
The Experimental Demo version HamRing is currently not available in Android.
The Experimental Demo version HamRing is currently not available in Linux.

Features in The Experimental Demo Version
  • Visual Alert for incoming calls
  • Transmit Selcall or Beacon Call (test call)
  • Contact list
  • Shows incoming calls
  • Auto-add for selcall contacts heard on the air
  • Convenient keypad for quick dialing
  • CW ID of ham callsign for transmissions
  • Interoperable with embedded Selcall radios
  • CCIR493-4 Compatibility
  • Info reference lists of Common Selcall Freqs
HamRing Technical Information
  • HamRing uses incidental tones for Selective Calling and Alerting.
  • HamRing complies with radio laws and rules.
  • Compatible with the existing Open Selcall standard "CCIR493-4" and "United Nations" Selcall.
  • This type of selcall CCIR493-4 is often built into Codan, Barrett, Icom, Vertex, QMAC, and other HF Land Mobile radios.
  • This type of selcall is widely utilized by Non-Governmental Organizations (NGO) around the world and the Australian-New Zealand 4WD networks.
  • The incidental tones for selective calling are  about 1785 Hertz audio frequency.
  • On the phone bands, be sure to announce your own callsign on voice for station ID purposes whenever you transmit incidental tones for selective calling.
  • List of Common Selcall Frequencies
HamRing User Group

HamRing User Group

The HamRing User Group is a forum for users of the app to exchange information and help each other.
New users are welcome.

Read HamRing User Group

Join HamRing User Group

Future Features for HamRing

HamRing will have many interesting features that are not yet implemented in the Experimental Demo Version.
  • Texting and messaging
  • AlphaNumeric Callsign instead of Number
  • 6 digit UN selcalls
  • Auto logging
  • Log reporting to HFLINK network map
  • Geo Position reports
  • Texting Relay
  • Scanning
  • Alarm Bells, Whistles, Lights
  • Group and Net calling
  • Compatibility and Interoperability
  • Additional modes
  • Many other features

HamRing Connection to Transceiver

HamRing can be utilized with acoustic coupling. Just hold the microphone up to the speaker. It works!

For best results, use a common computer soundcard interface with either VOX or RTS PTT.


New features for HamRing v0.42 demo:

• Added activity page
• displays all inbound, outbound, and heard selective, test, and page calls (and group calls)
• new call info page that can be launched from the activity log page

• Added support for sending and receiving group calls

• Added settings for long and short SELCALL preambles

 • Improved s-meter calibration

 • System notifications for received calls

• Support for assigning avatar images to contacts

• Added optional ring/alert tones via “default” sound device

• Keyboard navigation
    • contacts page:
        • up/down: navigate through contacts list
        • enter: contact info
        • f: frequency info
        • a: activity log
        • c: call the selected contact
        • k: keypad
        • s: settings
    • Frequency Info page
• backspace/delete: go back back to previous page
    • activity page
        • up/down: navigate through activity log
        • enter: call information
• backspace/delete: go back back to previous page
    • call page
        • c: place call, or abort call
        • enter: place call or abort call
        • t: test channel, or abort test
        • h: hangup call
• backspace/delete: go back back to previous page
    • inbound call page
        • a: answer call
        • enter: answer call
        • d: decline call
        • h: hangup call
    • keypad page
        • c: place call, or abort call
        • enter: place call or abort call
        • t: test channel, or abort test
        • h: hangup call
        • 0-9: enter digit
        • x: erase digit
        • space: clear all digits
• backspace/delete: go back back to previous page
    • settings page
• backspace/delete: go back back to previous page

HamRing Quick Start Guide


Installation for Mac OS:
  • Download HamRing for Mac OS.
  • Double Click on the downloaded program.
  • Wait for it to load, and you should see the start up screen.
  • You will be prompted for the software license.
  • Find the software license file HamRing.lic which should be located in the folder:
  • hamring>hamring.app>Contents>Resources

Installation for Windows 10:
  • Make a new folder on your computer main drive C:\
  • Download HamRing into the new folder you made.
  • Navigate to the folder you made, and find the HamRing zip file and unzip it into that same folder.
  • Run the HamRing program application in the new folder you created.
  • Wait for it to load, and you should see the start up screen.
1. Start Up Screen:
HamRing is looking for a valid software License file.
Your download includes the free Demo software license.
Click OK.

HamRing Start License Status Screen
2. Click: Select License

HamRing Start Settings License Status Select License Screen
3.
Windows: Navigate to the folder where you installed HamRing.
Select the Hamring.lic file.
Click Open.

Mac OS: Find the software license file HamRing.lic which should be located in the folder:
hamring>hamring.app>Contents>Resources

HamRing Start Choose License File HamRing.lic
4. Scroll up.

HamRing Start Settings License_Status_Registered_to_Eval_User
5. Notice that your callsign will need to be added. Put your cursor after the last L in the NOCALL Callsign.

HamRing Start Settings Scroll_up
6. Put your cursor at the end of the NOCALL Call Sign and Backspace until NOCALL is erased.
Enter your own Callsign.
Select either 3998 or 3999 as your own Selcall Number.

HamRing Start Settings Callsign_Number
7. Scroll down.
Select your sound device or microphone input.
Select your sound device or speaker output.
  • You can set these audio levels later, after you send a Test Call.
  • The Input Level should be set while watching the RX green bars. The correct level is with background noise and static about halfway, or about 3 green bars.
  • The Output Level should be set for about 75% power output while watching the Power Out meter of your SSB transmitter.

HamRing Start Settings_Sound_Radio


More Settings, scroll down.
If you are using a serial port interface:
  • Use GENERIC Radio selection.
  • Set the COM Port number for your interface.
  • Select VOX or DTR or RTS as required by your PTT interface.
HamRing Start Settings Generic Radio
8. Click Back.

HamRing Start Settings_Back
9. Click on the figure+ on the upper right to add a new contact.

HamRing Start Blank Contacts Add New
10. Edit the New Contact.
Their Callsign.
Their Selcall Number.

HamRing Add New Contact
11. Click Save.

HamRing Save New Contact
12. This is the normal view of HamRing, showing the Contacts List.
You are ready to receive calls or send calls.
Click on a contact first, to send a Selcall to them.

HamRing Contacts
13. Select a Contact.
Click on Call.

HamRing Select A Contact
14. Ready to call the Contact.
Be sure you are on the desired radio frequency and your transceiver is set up and ready to transmit.
Try the Test Call first.
Then you can try the Selcall after that.

HamRing Ready to Call Contact
15. HamRing transmits the Test Call.
Check your transmitter to be sure it is transmitting and putting out audio and power, and is on a good frequency.

HamRing Test Call
16. If you pressed the Selcall, it should be Transmitting. Check your transmitter to be sure it is transmitting and putting out audio and power.

HamRing Selcall Transmitting
17. The Test call has been sent.

HamRing Selcall Transmitting
18. The Selcall call has been sent.
You can send the call again if you didn't get through on the first call.
Or you can end the call by clicking Back.
CW ID of your callsign in Morse Code will be sent whenever ending the call.

HamRing Selcall Sent
19. You can also use the Keypad to call any selcall number, without using the Contact entry.

HamRing Keypad Call
20. Input the Selcall Number with the keypad.
Send a Test Call or a Selcall.

HamRing Keypad SelCall

When you receive an incoming Selcall.

Incoming call notification appears in the tray.
HamRing Notification in tray

Selcall Common Frequencies
Selective Calling for Voice SSB

North America

(incidental tones for Selective Calling)

1991.0 kHz USB North America
3845.0 kHz USB North America*
5403.5 kHz USB North America*
7195.0 kHz USB International*
14342.5 kHz USB International*
18157.5 kHz USB International*
21427.5 kHz USB International
28327.5 kHz USB International
50161.0 kHz USB International
144161.0 kHz USB International

*popular Selcall frequencies

Selcall Common Frequencies
Selective Calling for Voice SSB

Europe-Africa-Asia-Australia-NZ

(incidental tones for Selective Calling)

1846.0 kHz USB International
3795.0 kHz USB International*
5355.0 kHz USB International
7195.0 kHz USB International*
10144.0 kHz USB International*
14342.5 kHz USB International*
18157.5 kHz USB International*
21427.5 kHz USB International
24977.5 kHz USB International
28327.5 kHz USB International
50161.0 kHz USB International
144161.0 kHz USB International

*popular Selcall frequencies

Selective Calling for Texting/ Data/ CW

International and North America
1835.0 kHz USB International
3585.0 kHz USB International
5346.5 kHz USB North America
5355.0 kHz USB International (no USA)
7040.5 kHz USB International
7100.0 kHz USB North America
10144.0 kHz USB International
14094.0 kHz USB International
18104.0 kHz USB International
21094.0 kHz USB International
28144.0 kHz USB International
50161.0 kHz USB International
144161.0 kHz USB International
(Dial or Window Frequency Upper Sideband)






Notes for USA Operators


It is legal for USA hams to use Selective Calling and Alerting features in the phone subbands to engage in voice SSB QSOs.

Selective Calling is in compliance with FCC rules

Selective calling can also be used to start a QSO for texting and data in the data subbands.

Baud rules.
  • Does Selcall signal comply with the FCC 300 baud rule?
  • Yes. The CCIR493-4 incidental tones for selective calling are transmitted at 100 symbols per second (100 baud).
Bandwidth rules.
  • Does the Selcall signal bandwidth comply with FCC rules?
  • Yes. The bandwidth is normal and narrowband. It is not excessive. (It also complies with the 2.8 kHz bandwidth limitation for 5 MHz)

Selcall use in the USA Phone Bands
Currently, USA Amateur Radio Service operators have been utilizing Selective Calling (Selcall) in the USA Amateur Radio HF phone bands for at least 20 years without problems. Selcall transmissions in the phone bands comply with FCC rule:
  • "Incidental tones for the purpose of selective calling or alerting or to control the level of a demodulated signal may also be considered phone."

FCC Rules for Selective Calling in the Phone Bands
Here are some excerpts of Amateur Radio Service FCC rules allowing the use of SELCALL for Selective Calling and Alerting in the PHONE sub-bands. Please note the last sentence in §97.3(c)(5) which is the definition of Phone mode. §2.201 of FCC Rules define emission type designators.

FCC §97.3 Definitions.
(c) The following terms are used in this Part to indicate emission types.
Refer to §2.201 of the FCC Rules, Emission, modulation and transmission characteristics, for information on emission type designators.
FCC §2.201
5) Phone. Speech and other sound emissions having designators with A, C, D, F, G, H, J or R as the first symbol; 1, 2 or 3 as the second symbol; E as the third symbol. Also speech emissions having B as the first symbol; 7, 8 or 9 as the second symbol; E as the third symbol. MCW for the purpose of performing the station identification procedure, or for providing telegraphy practice interspersed with speech. Incidental tones for the purpose of selective calling or alerting or to control the level of a demodulated signal may also be considered phone." 




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About HamRing

The HamRing app is created by Devin K6DRS, in collaboration with Bonnie KQ6XA. 

HamRing is promoted and sponsored by HFLINK. HFLINK provides a user web-email forum and chat room for HamRing operators.


























































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HamRing is a Trademark.
HamRing is a Selective Calling App for High Frequency ham radio Selcall.
HamRing uses incidental tones for selective calling.


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HamRing is a Selective Calling App for High Frequency ham radio Selcall, and HamRing uses incidental tones for selective calling. HamRing(tm) is a trademark.