Скачать или смотреть Doppler Shift on 70cm: Why It Matters for Ham Radio

The Huntsville Hamfest, Four Days in August Satellite Hunter Anti-Forum from Gigaparts in Huntsville, AL. This presentation, part of the Four Days in August activities, was provided to help hams interested in working amateur radio satellites.

It was a hot one out there in the parking lot and my phone shut down after the question and answer session. Thank you to ⁨@HamRadioDuo⁩ for providing the pass footage and thank all you who attended for putting up with the temps, loud traffic, parking lot obstacles and heat coming off the parking lot!

Dive into the exciting world of amateur radio satellites with this hands-on ham radio satellite hunting class! In this video, we demonstrate a live pass on the reliable SO-50 (SAUDISAT 1C) FM satellite, covering everything from uplink on 2 meters to downlink on 70 cm, Doppler shift correction, and making real contacts.

Whether you're a beginner ham radio operator or looking to level up your satellite skills, learn essential tips on equipment like the Elk log periodic antenna, Icom IC-2730 radio, and ISS Detector app. We discuss power settings (5-15 watts), satellite footprints spanning up to 1,500 miles, and challenges like polarization and roving setups.

Key highlights:
• Satellite basics: Uplink/downlink bands, FM vs. linear birds.
• Doppler handling: Manual VFO tweaks and memory settings.
• Gear setup: 6-foot RG-8X coax, no diplexer needed.
• Live contacts: Hear real QSOs from EM64 grid with stations across the US.

Timestamps:
0:00 - Intro to SO-50 Satellite
1:00 - Bands, Doppler Shift & CAT Control
2:00 - Equipment Setup (Antenna, Radio, Coax)
4:00 - Using ISS Detector App for Tracking
6:00 - Satellite Footprint & Contact Distances
8:00 - Memory Programming for Frequencies
10:00 - Live Pass Starts: Radio Chatter & Contacts
13:00 - Troubleshooting Doppler & Polarization
15:00 - Pass Challenges & Wrap-Up

Perfect for ham radio enthusiasts interested in satellite communication, ARISS, or space-based repeaters. If you're into APRS, FT8, or VHF/UHF ops, this is a must-watch!

Subscribe for more ham radio tutorials, satellite hunting guides, and live demos. Like if this helped, and comment your grid square or questions below! #HamRadio #SatelliteHunting #AmateurRadio #SO50 #DopplerShift #HamRadioTutorial

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