VibeSDR Jr
Apple Watch上的软件定义无线电接收器,功能多样
- 创作者
- Stuart Carr
VibeSDR Jr是运行在Apple Watch上的完整软件定义无线电接收器,能自行连接、解码和播放音频。转动数码表冠调谐,频谱和瀑布图实时显示在手腕上。它是客户端,需连接接收器,支持多种协议,随附公共服务器目录。VibeServer内置于手机应用且免费供macOS使用,连接相关设备即可成为自己的接收器,支持USB、LSB等模式及解码器。
Apple Watch上的软件定义无线电接收器,功能多样
VibeSDR Jr是运行在Apple Watch上的完整软件定义无线电接收器,能自行连接、解码和播放音频。转动数码表冠调谐,频谱和瀑布图实时显示在手腕上。它是客户端,需连接接收器,支持多种协议,随附公共服务器目录。VibeServer内置于手机应用且免费供macOS使用,连接相关设备即可成为自己的接收器,支持USB、LSB等模式及解码器。
VibeSDR Jr is a complete software-defined radio receiver that runs on your Apple Watch. Not a remote control for a phone in your pocket — the watch makes its own connection, does its own decoding and plays its own audio. Leave the handset at home.
Turn the Digital Crown to tune. The spectrum and waterfall run live on the wrist, in colour, at a frame rate you can actually read a band with. Press and hold for the menu, and everything else is a tap away.
WHAT IT RECEIVES
Jr is a client, so it needs a receiver to listen to — either one of your own on your network, or one of the thousands of public ones already out there. It speaks VibeServer, OpenWebRX, KiwiSDR and FM-DX Webserver, and it ships with a directory of public servers, so there is something to listen to within seconds of installing.
VibeServer is your own receiver. It is built into the VibeSDR phone app and available free for macOS — plug in an RTL-SDR, an Airspy HF+ or an SDRplay RSP and it is yours.
MODES AND DECODERS
USB, LSB, AM, SAM, FM, NFM and wide FM in stereo, plus CW upper and lower. DAB, and an ADS-B view that plots the aircraft talking overhead.
ON THE WRIST
Bookmarks, synced with the VibeSDR phone app through iCloud. A band plan, so you know what you are looking at. Bandwidth, squelch, gain and the receiver's own hardware controls — including the LNA, IF gain and notches an SDRplay RSP actually has, rather than a dongle's single slider pretending to be them. Background audio, so it keeps playing when you drop your wrist. And a link meter that tells you the truth about the connection.
VibeSDR Jr is open source under the GPLv3. The engine underneath it, VibeDSP, is our own — the same one that runs the phone app, so a waterfall you set up in one turns up looking the same on the other.
Requires a Wi-Fi or cellular connection, and a receiver to connect to.
Fixes the waterfall on UberSDR receivers.
• The spectrum could stay blank until you zoomed, then freeze again when you zoomed back out. The watch was re-subscribing to the receiver over and over instead of settling, so the picture never had a chance to draw.
• Zooming right out no longer shows the signals bunched to one side. The view stays centred on the frequency you are tuned to, and the widest view is now one a watch screen can actually show something useful at.
• Connecting to a receiver by its address on your own network is no longer slow to start.
• Audio is unaffected by these changes.
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