Safe working load signs are used on machinery and equipment to display the maximum capacity weight that can be lifted safely. A manufacturer's approved safe working load (SWL) limit is the …

changing of your call to something memorable for you is possible but first you have to get our regular call sign and then use contact form to ask to change it to your favorite call. Get SWL …

Get A FREE SWL Call Sign! In most European and Asian countries of the world, the Amateur Radio licensing body will issue SWL Call signs for SWL Listeners. However, in North America, …

2024年10月6日 · 参加诸如iota等活动的收听需要用SWL识别号，而不是你的呼号。 【另外，为啥SWL叫SWL？ 因为是Short Wave Listener（短波收听者）吗～】 已设置短波台的B证ham …

2024年9月2日 · 1. SWL（Safe Working Load）指的是安全工作负载，这是指在卸扣上使用时，确保索具安全使用的最大载荷限制。 2. WLL（Working Load Limit）指的是工作负载限制，其含 …

2023年7月28日 · Safe Working Load (SWL), sometimes also referred to as Normal Working Load (NWL), is the maximum force or load that a piece of lifting equipment, such as a crane, winch, …

2020年4月8日 · Sometimes it is referred to as a Safe Working Load Limit Sign or SWL for short. It is the sign that sets out the load limitations of the beam levels in the rack aisle. Also on the …

Safe working load signs are used on machinery to display the maximum capacity weight that can be lifted safely. A manufacturer's approved safe working load (SWL) is the maximum safe load …

只收 听而不发射的电台被称为收听台，简称“SWL”(Short Wave Listener)。SWL 虽然不发 出信号，但它同样可以体会到 HAM 世界的美妙风光，帮助你和其他爱好者取得联系，而不 用担心在 …

In most European and Asian countries of the world, the Amateur Radio licensing body will issue SWL Call signs for SWL Listeners. However, in North America, parts of South America, …