As mentioned, sat phones are expensive and i ran a lot of hf phone patches in 99 after the series of hurricanes in the bahamas. Feb 23, 2018 using alexa for a phone patch on ham radio. Calls can easily be initiated in either direction between fixed land or cellular phones and hf radios. Cbrs frs murs gmrs ham race business radios duration. The barrett 2061 uses a unique adaptive hybrid to convert the fourwire audio from the transceiver to twowire audio for the phone line. Marsradio provides hf radio telephone service to us military, coast guard, dept. Auxiliary services like us coast guard auxiliary and civil air patrol may also use the net. S1 is a fourpole, twopo sition switch radio shack 2751 384 or equivalent used to switch the patch on and off. Hf normally when sailing offshore waters and the islands. From certain stations, where ground network is known to be slow, it is often a better alternative or a complement to have crews send departure messages via hf radio to us for onward delivery.
High frequency hf and very high frequency vhf voice radio are the primary means of airground communications, supplemented by data link, international maritime satellite. The yaesu ft101 is a covering 160 through 10 meters in usb, lsb, cw and am modes. All us air force, army, navy, marines and coast guard aircraft are supported. Radtel and hf oz split these frequencies so as not to overlap data with voice. Simple phonepatches, like the one i built early on, use an audio transformer to couple the 600. The net is staffed by amateur radio ham volunteers who are members of mars military auxiliary radio system. The yaesu ll7 phone patch allows linking your ftmpv to the public telephone line to provide twoway simplex communications on behalf of third parties where legal. Audio from the speaker is transformed to 600 ohms and merrily travels down the phoneline to the user at the other end. The mfj624e is designed to remain permanently installed between a transceiver, a telephone line with a modular connector, and a telephone receivers handset. Global hf stations will accept emergency atc traffic and provide phone patch or message relay support as required. President lincoln ii plus 10 and 12 meter ham radio. I use my kenwood phone patch as a link to my radio shack hands. The fact of connecting a ham radio station to a telephone network exists from the beginning of the ham radio operators, even commercially, as the. The term phone patch more accurately describes a system that is dialed and connected to the telephone network by a user manually operating a ham radio base.
Icom ic718 hf all band amateur base transceiver 100 watts original icom usa. Atlantic hf frequency assignments valid from may 22, 2020, 2300z 0300z air traffic control ldoc phone patch. Pacific hf frequency assignments valid from may 23, 2020, 1400z. An hf network, without skeds but providing rfds selcall patch, vehicletovehicle voice comms, gps location logging, sms, hf phone patch, and hf email. L september 6, 2001 arinc voice services operating procedures handbook a 2 2551 riva road annapolis, md 214017465 u. The mfj624e can me configured for use with a radio having either a 8pin round connector or an 8pin modular connector. Works great for me as i didnt want a complicated radio, and i will enjoy using it more. Hfsdrradio utility radio winradio excalibur pro recommended for you new. Hf sdr radio utility radio winradio excalibur pro recommended for you new. This is a quick demo of the phone auto patch that i built.
In hf cellular, all of the radio sites within an hf network are set to scan the available. Phone patch guidelines american radio relay league. Ive always been intrigued with the concept of radio phone patches dating way back to when my dad was in viet nam and we recieved a couple of calls from him via the mars system and then again when i was an an. It features a fully automated mode with remote management facilities suited for unattended sites.
How to use autopatch on your ham radio repeater dummies. Computer to rig interfacing you dont need to buy an interface. Kenwood pc1a phone patch controller ham for sale online ebay. The patch simply feeds your live mic voice and any recorded audio you want through an interface the patch and directly into your phone line. The ability to interconnect their stations and repeaters with the public telephone system. Aircraft frequencies ham radio amateur radio ham radio. Flights may call onground vhf for hf frequency assignments at the designated gateways or on the extended range vhf when airborne. Comparison of an amateur radio handheld transceiver, cell phone, and matchbox a radiotelephone or radiophone is a communications system for transmission of speech over radio. An autopatch, sometimes called a phone patch, is a feature of an amateur radio repeater or. Radiotelephone systems are very rarely interconnected with the public switched telephone network, and in some radio services, including gmrs, 1 such. In a cellular telephone network, a mobile user initiates a call and the closest or bestreceiving base station completes the call.
If your radio has the autopatch feature, and you obtain the tone sequences, follow these general steps to make a phone call the exact steps may vary from repeater to repeater. One important feature of ham radio repeaters is called autopatch, which allows a repeater user to make a telephone call through the repeater. Every radio is different study the reference section of the manual for your rig line inputs and line outputs are best phone patch connections rttypsk connections often on accessory din connectors mic inputs can work fine more about that later audio levels and impedance. No analog phone line nor separate phone patch is necessary. The hf cellular concept, shown in abbreviated form, is very similar to the cellular phone or mobile phone concept. Then dial the number, using the numeric keypad on your radio or microphone.
Delivering messages by telephone, fax andor phone patch. The wisdom of the federal government in permitting, and even in defending, this freedom has been demonstrated time and again. Although transmissions are often single sideband, the use of the ale, a type of digital transmission mode, is more and more common. When you access a repeaters autopatch function, a dial tone appears on the air. Additional resources the 2015 digital digest has information on the us air force global hf ale network see the hf appendix for the link to this document, which is very inexpensive. You can also receive into your computer the voice at the other end of the phone line. The usaf mars phone patch net provides worldwide 247 telephone service to us military aircraft via hf radio. Oct 22, 2015 11175 with osy to 11159 rock 10 with good news phone patch edited dead space duration. The icom phone patch is used to connect a telephone circuit to any amateur radio station installation. Equipment descriptions and specifications are subject to change without notice or obligation.
Marketed toward longterm remote travellers nomads, and maritime stations. Hf radio communications barrett 2061 hf phone patch. Find great deals for yaesu ft101ee transceiver w11 mtrs. Hf phone patches, like everything else in ham radio, have their place. The telephone and the radio will operate as if the phone patch were not in the circuit when the patch inbypass switch is in the bypass out position. Phone patch is very alive and well both in vhf 2 mtr repeater use and hf. Sending transcribed messages via type b addresses worldwide. In an emergency, break into an ongoing contact, and ask the stations to stand by for an emergency autopatch. The barrett 2061 hf phone patch provides an interface between an hf network and the international telephone network, allowing hf stations to be connected to. The net is operated by amateur radio volunteers who are members of the air force or army mars program. Aviation voice services operating procedures handbook. The hybrid circuit provides a high degree of isolation. Putting together your first ham radio station can be exciting, confusing, and challenging all at the same time.
The air force mars phone patch net provides hf radio telephone service to all us military, coast guard, and dept. This enables radio users to make calls to any telephone. Call on your enroute hf primary for phone patch frequency assignment. Establishing a phone patch between aircraft and any ground facility. Jul 01, 2010 hf phone patch howdy one of the primary reasons private, commercial and military use hf radio for phone patches is the lower expense cost in several aspects, especially in a noncommercial aircraft.
This is the process of patching a radio connection into a public telephone connection. Hf phone patch had some equipment recently donated to our radio club and one of the items included was a kenwood phone patch controller. Phone patch, autopatch and hf vhf uhf operating guidelines radio amateurs in the us enjoy a great privilege. Here, you will find tips and tricks to help you build and use a station that grows with your needs and helps you operate effectively and confidently. The barrett 2061 hf phone patch provides an interface between an hf network and the international telephone network, allowing hf stations to be connected to telephone subscribers and vice versa. Hf phone patch howdy one of the primary reasons private, commercial and military use hf radio for phone patches is the lower expense cost in several aspects, especially in a noncommercial aircraft. Users with a transceiver capable of producing touch tones dtmf signals can make a telephone call, typically limited by settings in the autopatch module to be. Phone patch, autopatch and hfvhfuhf operating guidelines. Phone patch, autopatch and hf vhfuhf operating guidelines radio amateurs in the us enjoy a great privilege.
Using alexa for a phone patch on ham radio youtube. The ll7 must be housed inside the optional sp8 external speaker. Ham radio crash course baofeng uv5r family radio programming and settings part 1 duration. Ive always been intrigued with the concept of radio phone patches dating way back to when my dad was in viet nam and we recieved a couple of calls from him via the mars system and then again when i was an an airborne communications tech in the air force. Military, government, and civilian shortwave hf radio. An autopatch, sometimes called a phone patch, is a feature of an amateur radio or other type of twoway radio repeater or base station to access an outgoing telephone connection.
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