Phone Patch Guidelines Phone Patch, Autopatch and HF/VHF/UHF Operating Guidelines Radio amateurs in the US enjoy a great privilege: The ability to interconnect their stations and repeaters with the public telephone system. ICOM PHONE PATCH INSTALLATION AND OPERATING INSTRUCTIONS GENERAL DESCRIPTION The ICOM Phone Patch is used to connect a telephone circuit to any amateur radio station. MFJ MFJ-624E Phone Patch - 8 Pin Round or Modular Microphone Connections. Phone patches and autopatches should never be made. >>Frequency Allocations >>Phone Patch. Licensed, Volunteer Examiners, What is Ham Radio.
I highly recommend to anyone, it really resonated with me. The article makes a good point that anyone can throw a wire into a tree and call CQ.
But there was one key paragraph that sent my mind wondering. I quote: Future developments in the non-amateur world of radio from that point included cellular technology and the transmission of higher speed data over the air. Commercial applications for broadcast radio and television have changed radically and now include the imposition of digital methods. Military applications for secure battlefield communication use satellite and terrestrial means like mesh networking for voice and data transmission. Our homes, restaurants and coffee shops are bathed in RF transmitted data that keep our mobile devices connected to the Internet.
Sure, there's the High Speed MultiMedia HSMM experiments. Although the working group for that has disappeared and the general attitude I see about it, over and over is that you can do more with Part15 than you can with the higher power afforded with part97. It's a shame really. I've also seen a couple rare web pages discussing experiments with DATV. Much to my surprise, the experimenters preferred DVB-S to ATSC. I'm not saying that Ham Radio is completely irrelevant.
There's a lot of focus on it's use in emergencies and getting ready to help out in a disaster. And that's great. We have digital modes that run with a soundcard interface on a computer and software defined radio. There is a fairly basic digital voice mode called D-star.
Biology 11 Mcgraw Hill Ryerson Firefox on this page. That's the big developments lately. Other than that, operating is fairly much the same as it was 30 plus odd years ago. Why not a Ham Radio Cellphone network?
I did some searching and Okay, the article discusses the use of this stuff to 'hack' people's cellphone connections and listen in to their traffic. It misses a point that is blindingly obvious to me. • European GSM cellphones have 900mhz as a band • American Ham operators have 900mhz as a band • Hardware exists to set up a homebrew cellphone base station • How cool would it be to set up a legal ham radio cellphone network!
KJ6GCG, Chris Paget, set up his system to demonstrate the vulnerabilities of the GSM system specifically by spoofing the network ID for an active carrier. It should be entirely possible to set up a 'fake' carrier that will not interfere with any commercial one and run it on our 900mhz band. Possibly even restrict access to special SIM card programming that could be posted online for any Ham Radio Operator to access. Msbackup Exe. GSM can be run without encryption entirely, it's another point that allowed Mr Paget to demonstrate the call recording. Running in this mode will avoid any trouble with the regulations on the merits of codes and cyphers. The 900mhz band in the phones should be completely unused in America, that option is there to remain compatible with European networks. Imagine this: Your area sets up a Ham Cellphone node and various operators get a GSM quadband phone of their choice (probably needs to be unlocked).
Now they can carry a form of communication around that allows them to contact other hams at any time. It will always work in an emergency. You could potentially allow for a 'phone patch' operation. It would be beyond easy to put in an extension number to allow access to any attached repeaters, echolink, etc. Call ex# 270 to access the 147.270 repeater! I wonder if the data connection works.
Hello hinternet! Text messaging? You could set up a truely cell based network with HSMM backhauls between each cell. Put the backhaul in the Ham allocation of 2.4ghz and have fun.