RT/RC-100 100 watt coax in / coax out remote tuner

RT/RC-100 100 watt coax in / coax out remote tuner
Part Number: RT-RC-100
£279.95 ( £233.29 EXC. VAT )
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Product Information
  • Overview
  • Specifications
  • Customer Reviews
Now Available! RT-100 LDG has announced the RT-100. The RT-100 is a 100 watt coax in / coax out remote tuner designed to be placed near the feedpoint of the antenna. If you are worried about power loss due to SWR in your feedline, the RT-100 is the answer. Place the RT-100 near the feedpoint and the virtually eliminate all feedline loss due to SWR.

The RT-100 is DC powered over the coax, and comes complete with the LDG RC-100 to power and control the tuner from you shack. The RC-100 will provide DC power over the coax as well as control for Auto/Semi mode, Lock and force a Manual Tune.
0.1 to 125 watt power range (SSB and CW), 30 watt digital.
2000 memories for instantaneous band changing.
Powered over the coax. Weather resistant ABS Enclosure with Gaskets. -40 to +70C.
Tuning time: 0.1 to 6 seconds full tune, 0.1 seconds memory tune.
1.8 to 54.0 MHz coverage. Built-in frequency sensor.
Tunes 4 to 800 ohm loads (16 to 150 on 6M), 16 to 3200 ohms with optional 4:1 Balun.
For Dipoles, Verticals, Vs, Beams or any Coax Fed Antenna.
Includes U-bolt for pipe mounting.
Supplied withl RC-100 Controller provides power and control to tuner..
Optional external Balun allows tuning of random length, long wire or ladder line fed antennas.
Small Size: 6.5L” x 6.0W” x 2.5H”.
Weight: 1 pounds
(2 reviews)Write a review
Good performance and easy to install
I had some doubts about buying a remote auto tuner as I have read mixed reviews of various models. I needn't have worried - the RT-100 worked perfectly straight out of the box. It is very easy to install, which just involves connecting it with a short patch lead to the antenna feedpoint and installing the control box inline at the operating position. Note that this tuner only has a coax antenna connection, so an external balun or unun is recommended for long wires and balanced feeds. I currently use mine with a ~70ft long wire terminated at a 9:1 unun and the tuner matches on all bands from 80m to 10m. The initial tune does seem to take a long time (sometimes 10 seconds or more, which seems like an eternity when transmitting a carrier in to a varying SWR!), but subsequently the unit will reliably tune from memory in a fraction of a second. All in all I'm very pleased with my purchase and I'm looking forward to trying it with different antenna configurations, such as vertical wires and doublets.
Fantastic ATU
I have 2 LDG ATUs now, the Z-100 Plus and now the RT-100/RC-100 combo. The construction of the ABS box is top notch although I have not glanced inside (no need). All connections and the cover have gaskets to keep the weather out. I hung mine from the support rigging holding my wire antenna up in the trees using a few tie wraps. The connectors are then on the lower side of the enclosure. Cover all connections with self amalgamating tape and you are good to go. In the shack the supplied RC-100 controller goes between the radio (or after the SWR meter if you have one) and the feed line. This is plugged into the shack power supply and in turn feeds power via the aerial coax to the control box outside. The controller works in fully automatic mode normally and when you switch to a new frequency can take up to 10 seconds to match the antenna. However this is then stored in one of the 2000 memories and next time you tune to that frequency the ATU switches in a few milliseconds. You don't need to press any tune up buttons on the rig as keying the transmitter is enough when working in fully automatic mode. If however you are finding it difficult to tune the RC-100 has a tune button to force the ATU into searching for a good match. There is also a power button on the RC-100 controller to remove power from the ATU. The ATU has latching relays remembering the last settings made. All in all a very good ATU for digital modes to 30 watts and SSB/CW modes to 100W. This is fine for most HF transceivers.
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