Depending on your specific shortwave radio, you will be able to receive local and international broadcasts as well as some (or all) of the amateur radio (HF Ham radio) bands. The allocated frequency bands generally have their own characteristics regarding the best time of day for reception (d...
The current classes are: Technician, General, and Extra (also known as "Amateur Extra". Technician Class:The privileges of a Technician Class operator license include operating an amateur station that may transmit on channels in any of 17 frequency bands above 50 MHz with up to 1,500 watts ...
The current classes are: Technician, General, and Extra (also known as "Amateur Extra". Technician Class:The privileges of a Technician Class operator license include operating an amateur station that may transmit on channels in any of 17 frequency bands above 50 MHz with up to 1,500 watts ...
We know that most hams today enter through the Technician Class license, whereas some years ago it was the Novice ticket. The “career” of the maturing hobbyist is to enter via the Tech license and move upward to the General and, ideally, the Extra classes where a fuller participation on...
Let’s look at some of the threats in that area that could be monitored on radio, shall we? Maritime threats: There’s a frequency list over here used by the Coast Guard. This is where vessel traffic movements, emergency marine search and rescue and so on takes place. We would want so...
Simplex Frequency spacing is 12.5kHz 900MHz Radio Hardware As far as hardware there are a few ways you can go about it. Build or modify existing hardware or get something that can be re-programmed. I went the easy way about it most of the time but have tried it all. Here is a list...
The interactive Smith chart enables users to navigate their way around a Smith chart using ... By: Telestrian Hits: 302 | Votes: 2 | Rating: 9.5 J Pole calculatorpop Enter the operating frequency and calculate dimensions of your jpole antenna ...
please refer to the specific parameters S21 and point frequency test chart. Amplifier size 37MM * 56CM * 1.5CM (behind with a large heat sink). Technical indicators: 1. supply voltage: + 15V DC (typical current 450mA / gain maximum output) ...
*Morse Code chart and KEY An essential part of this app is the antenna calculator. If you need to make an antenna in a hurry, simple type in the desired TX frequency and at a click of a button antenna designs for Dipole and Vertical antennas are displayed. ...
You basically drag and drop the QTH for Transmitter and Receiver and the predicted radio propagation is displayed as a colored "pie-chart" with probability calculations for all bands over 24 hours. You can also experiment with different antennas, transmitter power and sun spot numbers. Spam and...