BH9DWE 活动信息： 时间：10月30日-11月2日 频率：7.170 MHz、14.230 MHz、21.340 MHz、28.680 MHz（短波）；436.210 MHz（卫星） 模式：Scottie 1（短波），9600 bps BPSK（卫星） 合作发射电台： 清华大学业余电台BY1QH、北京邮电大学业余电台BY1BY、哈尔滨工业大学阿斯图友谊号卫星BJ1CR/RS64S 活动内容： 精选#三体日 互动优质创作内容制作为图片，共计15幅，和刘慈欣的画面及祝语一同，通过三个电台以业余无线电慢扫描电视（SSTV）/数字慢扫描电视（SSDV）形式发向全球，每台发送6幅。 To 广大无线电爱好者，发送期间，欢迎积极参与，打开你的设备，共同接收信号、见证其传递的时刻。成功接收图像后，可以将图像发送至邮箱fandom@3body.com，并附上你的接收信息，我们将寄送与合作电台定制的无线电收听证明卡（QSL卡）。也欢迎你视频记录自己的接收过程并发送至上述邮箱，优秀视频将有机会加入活动总结视频。 To 征集活动参与者，如你创作的内容入选获得发射资格，我们将为你寄送定制无线电收听证明卡（QSL卡）的副卡，成为你的信息被成功发送和接收的独特纪念。 让我们一起打造一场属于所有人的发射活动，完成一次从想象到现实的集体回应！
Liridice I saw an advertisement stating that QSL cards can be obtained with a certain probability after drawing, but is it always 100% for HAMs?
BH9DWE Liridice Yes, this QSL card was issued by QH. You can also send a request for a QSL card to QH.
BH9DWE BI3SVM_Rinko This satellite was only transmitting SSAT, and it seems that AstSat did not have an SSTV beacon.
BG4QBF BH2VSQ Could you please advise me on how to receive and decode an SDV signal? I have an RTL-SDR-V4.
BI1WJD Welcome to the SSTV transmission activity of the "守听BY1BY" group! Official push from BY1BY The specific launch times and frequencies are as follows: Scan the QR code to join the QQ activity group and communicate (HAM, please enter your call sign in the verification information section): 73！
BG5VLI The HF SSTV frequency I'm using is the standard shortwave SSTV QSO frequency, and I think operating ±5 kHz might be better. Otherwise, there could be interference with communication.
BH9DWE BG5VLI If you can hear it and would like to reply with SSTV, please do so. If the OP (original poster) receives/responds, please reply back.
BI1NWO BG5VLI 这次活动是一次SSTV通联活动：QH OP使用图片进行CQ，如果收到友台回复，将暂停CQ（发射新图片），优先回复友台，完成QSO。 我们热烈欢迎大家与我们在频率上完成QSO。 和日常通联一样，和QH完成QSO后，总可以【和QH】换卡。QH也将上传通联日志。 别的活动卡面需要和对应的负责团队沟通，这个QH没有权限管理。
BH9DWE BI7BST The organizers are overwhelmed, so we'll proceed on a case-by-case basis. We will also update this post before each release to keep everyone informed. If anyone has specific needs, please let us know here.
Lynx I'm going to follow up on that. Previously, using amateur radio for advertising on Taobao resulted in a lot of negative feedback, and this situation feels similar.
BH9DWE BG7YOT If I can identify the main elements and call sign, then it's essentially the same as ISS, and might even be more lenient.
BH9DWE Currently, it seems that QH can see someone responding on the spectrum, but cannot decipher the message. It appears there may be a problem with the software itself. We should investigate further.
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