A remote station lets an apartment dweller use a real antenna, keeps a snowbird on the air from another state, and gives a club's members access to a shared site. The FCC has permitted remote control of amateur stations for decades; the requirements are about control, not about location.
The rules that matter
- There must be a control operator responsible for the transmissions at all times, operating
- You must be able to shut the transmitter down — a working control link with a means of turning
- The station identifies with the callsign of the station being operated under the control
- Access has to be secured so that unlicensed users cannot transmit. That means real
within the privileges of their own license class and the rules of the country where the transmitter is located.
the station off, and an automatic timeout if the link drops.
operator's privileges, following the usual identification rules; see identification.
authentication, not an unlisted URL.
Do not treat a remote station as a way to exceed your privileges: a Technician operating a remote HF station is limited to Technician allocations, wherever the radio sits.
Ways to do it
- Manufacturer software. Most current transceivers expose a LAN or internet remote mode with a
- Third-party remote software. RemoteHams, Remote Ham Radio, various VNC-plus-audio setups and
- Roll your own. A small PC at the station running rig control (Hamlib/rigctld or flrig), an audio
- Remote receive only. A KiwiSDR or WebSDR at a quiet site is a useful half-step and needs none of
matching desktop or mobile application, which handles audio and CAT control together.
browser-based front ends for SDRs. Some clubs and commercial services rent time on very large remote stations.
bridge, and a VPN back home. More work, complete control, and the usual approach for a club site.
the transmit protections.
Making it reliable
- Put the station behind a VPN rather than exposing ports; then treat physical site security as
- Add remote AC control for the radio, amplifier and rotator, and a way to power-cycle the
- Use a watchdog that drops the transmitter if the control link is lost, and a hard transmit
- Log and monitor SWR and temperature; you cannot smell a hot amplifier from 800 miles away.
- Expect latency. A quarter second of round-trip delay is workable for SSB and painful for CW
part of the design.
station computer — an intelligent PDU or a simple relay board.
timeout.
above about 20 wpm; keyers that generate the code at the station end rather than sending keystrokes fix most of that.
Club and shared stations
A remote club station is one of the most valuable things a club can offer, especially to members with antenna restrictions. Decide up front how time is booked, who holds the trustee responsibility for the callsign (see starting a club), what power and bands each license class may use, and who has keys to the site.