These frequencies are the frequencies that the 49MHz ERC suggests you use for hobbyist operations. Because the 49MHz band is shared with military operations,...
49megahertz@yahoogrou...
Dec 1, 2003 10:13 am
342
Hello fellow radio enthusiasts, While some of you may be aware of this program, I feel compelled to mention A great piece of FREE yes I said FREE software for...
49MHz, I've been employed in communication and other RF technologies since 1968. But I'd forgotten the military use (I remember a brief run-in between...
I first noticed this in Police Call among the 49MHz listings (mainly our Part 15 channels) and when I saw "US Military Use" I thought "Maybe I ought to post...
Is There Anyone In The Group Who Builds The 10 Ch.Bases?? If So I would Like To Have a Couple Of The 10 Ch.Bases Built For a Disaster Communications Team Here...
I will be making Jerome's 10 channel unit and thought that I'd post a link to getting the LCD display fairly cheap in case anyone else here is going to give...
Let me put it together to see how well it works out. From there I would have a better idea as to how much it would cost. However, I would not supply the actual...
Hey Jerome, do you happen to know of a supplier for the 149.475 kHz crystal? Digi-Key has my crystals on back order but I'd like to get some quicker. Pete...
... substitute ... Yeah, a general purpose FET should work. I used the ZVP3306 only because I had some on hand. It would probably be possible, with some ...
... Unfortunately, no. Digi-Key is my main supplier. I see they have an estimated ship date of 12/31. Some times they actually get thing earlier so they may...
we've looked all over but are unable to locate any TRC 512 Radios although a Shop in Texas Has The FRS Units With The Head Set and Boom Mic i'm Not Sure If It...
Lots of luck finding TRC-512's. I only have two of them, and one was the last in all of Arizona a year or two ago. I plan on keeping them as is. John H....
We Know Where We Can Get Either The Single Ch. 49 Mhz 2-way Radio Units or the 5-Channel 49 Mhz 2-way Radio Units that go on your belt that have the boom...
... Sorry if you didn't like the off-topic posts, folks. I warned the sender and switched him over so that his posts must be moderated. Just a reminder -...
These frequencies are the frequencies that the 49MHz ERC suggests you use for hobbyist operations. Because the 49MHz band is shared with military operations,...
49megahertz@yahoogrou...
Jan 1, 2004 1:33 pm
366
All, Currently, Part-15 devices are limited to 100uV/m within the 50 – 54 MHz ham band. As a ham I wouldn't mind sharing 51.5 – 52.5 MHz with 10,000 uV/m...
... The beauty of Part 15 is, that you are specifically allowed to home- brew your own radios. There's a limit of 5 pieces per year if I recall correctly. If...
John, You wrote, "The beauty of Part 15 is, that you are specifically allowed to home-brew your own radios. There's a limit of 5 pieces per year if I recall...
... not ... My interpretation of this is that the limit of five is only there to prevent an individual from mass-producing products of a specific design, not...
Jerome (& anyone else into this), I'd like to hear more about model rocket tracking transmitters-- especially using Part-15. I've launched a few very small...
The two that I've made so far were both based on a small 433.92 MHz transmitter module that was available from Radio Shack (cat #900- 6896). That module is no...
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