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SSTV Frequencies and International Events
International SSTV Frequencies
HF Bands
| Band | Frequency | Mode | Time Window |
|---|---|---|---|
| 160m | 1.838 MHz | Various | Rare |
| 80m | 3.845 MHz | Various | Evening |
| 40m | 7.171 MHz | Various | All day |
| 20m | 14.230 MHz | Various | All day |
| 15m | 21.340 MHz | Various | Daytime |
| 10m | 28.680 MHz | Various | Daytime |
VHF/UHF Bands
| Band | Frequency | Application | Type |
|---|---|---|---|
| 2m | 144.500 MHz | Local | SSB |
| 70cm | 432.200 MHz | Local | SSB |
| 23cm | 1296.000 MHz | Local | SSB |
Satellite Frequencies
| Source | Frequency | Format |
|---|---|---|
| NOAA 18 | 137.9125 MHz | APT/SSTV |
| NOAA 19 | 137.1000 MHz | APT/SSTV |
| ISS | 145.800 MHz | SSTV |
Activity Schedule
Regular SSTV Activities
- Daily - Continuous activities with various modes
- Weekends - Increased amateur radio communication volume
- International Contests - Regular SSTV events
Special Events
- ARISS SSTV - International Space Station events
- SSTV Contests - Global communication competitions
- Hamfest - Community activities
- Satellite Pass Events - ISS and NOAA passes
Time Zone Considerations
Conditions Vary with Time
- Daytime - HF short distance links
- Evening - HF long distance links
- Sunrise/Sunset - Best long-distance conditions
- Solar Activity - Affects propagation
Reception Windows
Best Reception Times
| Band | Best Time | Reason |
|---|---|---|
| 80m | Sunset-Sunrise | Ionospheric layer |
| 40m | All day | Reliability |
| 20m | Daytime | Low D-layer absorption |
| 15m/10m | Daytime | Solar activity |
| VHF | Any time | Line of sight |
Finding Activities
Online Resources
- Forums and Websites - SSTV enthusiast community
- Calendars and Events - heavens-above.com
- Repeater Lists - Local radio clubs
- Weather Satellites - Prediction tools
Social Media
- Facebook SSTV groups
- Reddit r/amateurradio
- Twitter #SSTV
- Discord servers
National and Regional Activities
North America
- Weekend SSTV days
- ARRL sponsored events
- Local club gatherings
Europe
- Fixed frequencies and times
- European SSTV days
- International contests
Other Regions
- Country-specific frequencies
- Local activities
- Regional coordination
Etiquette and Procedures
During Reception
- Monitor frequency
- Wait for sync pulse
- Receive complete image
- Record details
During Transmission
- Check frequency (CQ SSTV)
- Transmit your callsign
- Wait for response
- End politely
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