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mission:log:2012:05:06:rtlsdr-osmosdr-gnuradio-fm-receiver [2013/05/13 11:37] – [Hardware] chrono | mission:log:2012:05:06:rtlsdr-osmosdr-gnuradio-fm-receiver [2015/02/01 15:36] (current) – [Last words] chrono | ||
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- | <WRAP round tip> | + | |
- | **Related Mission-Logs: | + | |
- | [[mission: | + | |
- | </ | + | |
===== GNU Radio Companion Setup ===== | ===== GNU Radio Companion Setup ===== | ||
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==== Download ==== | ==== Download ==== | ||
- | <note dl> | + | <WRAP round download> |
- | |{{: | + | **Download GNU Radio .grc File:**\\ |
- | </note> | + | {{: |
+ | </WRAP> | ||
==== Usage ==== | ==== Usage ==== | ||
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==== Tips ==== | ==== Tips ==== | ||
- | <note tip> | + | <WRAP round tip> |
+ | **GNU Radio:**\\ | ||
* Use the left/right arrow keys in GRC to rotate blocks for a clean flow. | * Use the left/right arrow keys in GRC to rotate blocks for a clean flow. | ||
* When you change the samplerate, remember to adjust the fractional interpolator. | * When you change the samplerate, remember to adjust the fractional interpolator. | ||
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* Never tune RX Center to the frequency you actually want to work, always create an offset (+200k seems like a common choice) by using the RX Offset/Fine slider to home in on your target. This is due to the DC Component on the center frequency. | * Never tune RX Center to the frequency you actually want to work, always create an offset (+200k seems like a common choice) by using the RX Offset/Fine slider to home in on your target. This is due to the DC Component on the center frequency. | ||
* TAU Setting: FM Pre-Emphasis (50us for WORLD / 75us USA) | * TAU Setting: FM Pre-Emphasis (50us for WORLD / 75us USA) | ||
- | </note> | + | </WRAP> |
===== 2.8 MHz Bandwatch on ISM ===== | ===== 2.8 MHz Bandwatch on ISM ===== | ||
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[{{: | [{{: | ||
- | <note dl> | + | ~~CL~~ |
- | |{{: | + | |
- | </ | + | |
+ | <WRAP round download> | ||
+ | **Download: | ||
+ | {{: | ||
+ | </ | ||
==== 868 MHz ==== | ==== 868 MHz ==== | ||
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[{{: | [{{: | ||
- | <note dl> | + | <WRAP round download> |
- | |{{: | + | **Download: |
- | </note> | + | {{: |
+ | </WRAP> | ||
==== 70cm Duplex on DB0EL ==== | ==== 70cm Duplex on DB0EL ==== | ||
Another test recording on DB0EL (Munich) when another HAM was calling on the repeater: | Another test recording on DB0EL (Munich) when another HAM was calling on the repeater: | ||
- | <note dl> | + | <WRAP round download> |
- | |{{: | + | **Download: |
- | </note> | + | {{: |
+ | </WRAP> | ||
===== Last words ===== | ===== Last words ===== | ||
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</ | </ | ||
- | <note tip> | + | <WRAP round tip> |
**Related Mission-Logs: | **Related Mission-Logs: | ||
+ | [[mission: | ||
+ | [[mission: | ||
+ | [[mission: | ||
[[mission: | [[mission: | ||
- | </note> | + | </WRAP> |
- | <note tip> | + | <WRAP round tip> |
A great tool to quickly learn morse code, is [[https:// | A great tool to quickly learn morse code, is [[https:// | ||
- | </note> | + | </WRAP> |
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{{keywords> | {{keywords> | ||
- | ~~DISCUSSION~~ | + |