Fun With HandieTalkies Repeaters Radio Waves and Using

Fun With Handie-Talkies Repeaters, Radio Waves, and Using your Handie-Talkie

Radio Waves: Length or Frequency 2 meters (6 feet 7 inches) or 150 million cycles per second 2 meter band goes from 144 MHz to 148 MHz 440 MHz or 0. 682 meters (2 feet 3 inches) 440 band goes from 420 MHz to 450 MHz

Local Two Way Radio Receiving Transmitting Radio Waves Sound

Simplex and Duplex Simplex Radio Waves Go Directly Between Two Radios Both Radios Are on the Same Frequency Duplex Radio Waves Go Through a Repeater Radio Transmits at one Frequency and Receives at Another The Frequency of the Repeater is the Transmit Frequency

Repeater Offsets The Difference between the Receive Frequency and the Transmit Frequency is Called the Offset • For 2 meters the offset is usually 0. 6 MHz 145. 1 MHz - 145. 5 MHz 146. 0 MHz - 146. 4 MHz 146. 6 MHz - 147. 0 MHz - 147. 4 MHz 147. 6 MHz - 148. 0 MHz + + - • For 440 MHz the offset is usually 5. 0 MHz 442 – 445 MHz + (California repeaters start at 440 MHz) 447 – 450 MHz -

Repeaters and Radio Waves 146. 85 MHz 146. 25 MHz Boone Repeater Handie-Talkie

Repeater Tones Used to Block Signals to the Repeater You Set on Your Radio Sub-Audible (you cannot hear them but the repeater can) Getting More Common in Iowa Boone Club Repeater no - Ames Club Repeater no Des Moines Repeaters yes 114. 8 Hz for 2 meters 151. 4 Hz for 440 MHz

Repeater Etiquette • Putting out call – KBØMPL, KBØMPL monitoring, here is KBØMPL • Calling someone, the other person’s call comes first - WØFS KBØMPL • Interrupting a QSO – MPL, Break With an emergency - Break • Leave a moment or two before replying when in a QSO – for breakers

Thank You for Coming I Hope You Will Get on the Air And Take Over the Repeater