1. D

    Long range RC equipment on 433MHZ

    Hey I was wondering what laws apply this Tx and Rx system. OrangeRx OpenLRS Tx Module Specs: Compatibility: 5-pin Futaba compatible module-based transmitters Frequency: 433MHz Voltage input: 6.8~12VDC IC: Atmega328P Power: 1000mW Range: Full range...
  2. M

    modulation type for CTAF 122.9 mhz freqs

    I want to scan our local (and others) airport's CTAF frequency, 122.9 MHz while I'm flying R/C at the airport. This will give me a heads up to "clear" the area when an aircraft is arriving in the pattern. What modulation scheme is this? Do I need an AM or FM receiver? I think they're...