Portable operation (amateur radio)
Licensed amateur radio operators often take part in portable operations using radio equipment when traveling. A portable station can be anything from a small QRP (Low Power) radio and antenna, to a top-of-the-line rig, space dependent. On long-distance expeditions, such equipment allows them to report progress, arrivals and sometimes exchanging safety messages along the way.
'Portable' operations is usually signified by amateur radio operators appending the suffix '/P' to their callsign. Operating '/P' normally means that stations are operating away from their licensed station address.
The advantages of /P operation include the use of large empty spaces where full size beam and wire antennas can be erected on tall trailer mounted masts. If operating on VHF/UHF, this can mean a location on the top of a hill or cliff, with clear line of sight to the horizon. The main disadvantage is normally the power supply available. As normal mains grid power is unavailable, the /P operator may have to resort to batteries, portable generators, solar panels". and wind turbines.
Operating amateur radio at sea is known as 'Maritime Mobile', as is signified by the suffix '/MM' on the call. Operating amateur radio from a vehicle is known as 'Mobile', as is signified by the suffix '/M' on the call.
Some countries allow the direct connection of amateur transceivers to telephone lines called "phone patching". Thus, a traveler may be able to call another amateur station and, via a phone patch, speak directly with someone else by telephone.
- "Ham(Radio)ing it Up with Solar Power". KE2YK. Retrieved 2009-07-31.
- "Phone Patch, Autopatch and HF/VHF/UHF Operating Guidelines". American Radio Relay League. Archived from the original on 2006-11-30. Retrieved 2007-01-10.
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