How effective is FSK RTTY versus LoRa, will one go further than the other ?
Some observations and tests on the the benefits of raising antennas to height to improve UHF Communications. Demonstration of the effect of an airborne LoRa relay at the spot where Marconi was also doing some ‘long range’ testing in 1897 – PDF file.
A series of investigations and experiments to see how good LoRa technology would be for locating things that are lost – PDF file.
An article describing how with a simple LoRa receiver you can track a high altitude balloon with an Android mapping app.
A report on some early tests on FSK and LoRa data modules describing how a simple approach to receiving data telmetry at long distances is possible – PDF file.