HamRing by Zelcall
HamRing, the new app for HF Selective Calling (Selcall).
Use it to call your ham radio friends, and it quietly monitors your radio frequency for an incoming call.
HamRingSelective Calling App
ARE NOT AVAILABLE YET
The HamRing APP is not available yet.
Features in The Experimental Demo Version
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 HamRingHamRing will have many interesting features that are not yet implemented in the Experimental Demo Version.
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.
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:
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.
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."
HamRing is a Selective Calling App for High Frequency ham radio Selcall.
HamRing uses incidental tones for selective calling.