{
  "question": "Navigator, question about radio frequencies and antennas.\n\nFor programmable low energy radio equipment:\n- Frequency range: 136.00-174.00 MHz / 400.00-520.00 MHz\n\n1. What are the most appropriate frequencies in this range?\n\n2. For two antennas - should they be side by side or at 190 degrees to each other? What orientation and distance is best?\n\n3. What is your hypothesis on human effects from these radio fields?",
  "sender": "CTO"
}