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Hi! I've a strange problem with the AT-100 PRO II As you can see in this video https://www.youtube.com/watch?v=mdgqQ2kqcSY It drop the tune just after the first cw transmission. It tunes perfectly in

Another option would be to put an external? bias Tee in front of the antenna switch connected backwards to pull the DC off of the cable and feed it directly to the power circuits of the RT-600

I found the problem.? It was heat related, but it wasn't in the tuner.? The cable feeding the balun was foam core RG-8X.? When I changed from the RT-100 to the AT-600, I just stood the AT-600 on

Thank you for your concern. But I’d guess after 20+ years of service doing stuff like that and more with no damage, I’m Vy73 - Mike - KD5KC. El Paso, Texas - DM61rt. SOTA W5T-Texas Association

Please run your data through http://hintlink.com/power_density.php I have a 3.8 dBi 2 meter antenna and at 10w they called for 2.34' in a controlled environment. Your soft tissues might thank you

I actually use this data-cable on the FT-857D for remote tuning. The tuner is mounted behind the battery. In the lower-left photo, the upper-right corner, the red push-button is the tuner start

I made an incorrect assumption that the Y-ACC cable plugged into the key jack on the FT-847. The FT-847 cannot interface with the AT-200ProII tuner. See my later reply.

The FT-847 does not have an ACC jack, and the necessary TX-REQ signal is not on any other connector pin; so there is no way to interface the FT-847 to the LDG AT-200ProII. Unlike the FT847, the

Yaesu made the discontinued FC-20 tuner to interface with the 8 pin mini-DIN TUNER jack on the FT-847. The FC- seried tuners used the TXD(4) and RXD(5) serial data pins to command tuning operation.

Yaesu made the discontinued FC-20 tuner to interface with the 8 pin mini-DIN TUNER jack on the FT-847. The FC- series tuners used the TXD(4) and RXD(5) serial data pins to command tuning operation.

HI, everyone, Does anyone know what cable I would need to connect between the FT-847 and the AT-200 Pro II auto tuner? I know there used to be a tuner that was specifically designed for the FT-847 but

Alpha Delta lightning arrestors units pass DC. Have been using one for years w RC-600 without issue. It is between thr “ Bias-T” box and the Tuner box. Outside near antenna. Not all arrestors can

After killing rig power, I would recommend opening the LDG tuner enclosure to look for hot toroidal coils just after you have a tuning mismatch event... My experience... I see the same thing on my

I have an AT-600 Pro II mounted at the base of my 20 foot flagpole OCF dipole.? The tuner RF input is connected to the antenna 1 connector (for external tuner use) on my Icom 756 Pro III? About 30'

hi all thanks for everyone response decided not to do a fast blow fused on power line to bias-t... best solution for me is to NOT put the bias-t on the radio side of antenna matrix swicth but on the

I fuse my remote tuner controllers, and the bias tee power to rcv antenna preamps? with a 1 amp fast blow fuse. Also have stayed away from antenna switching schemes and "lightning arrestors" that are

Hi Paul, You can check at files section the RT100 circuit unit (that I assume is the same as the RT600) for remote and the RT600 for tuner unit. The RF input is isolated from the DC then I understand

I recently acquired an RT600 and RC600. My antenna system includes a remote 2X6 antenna matrix switch (WX0B). This allow me to feed the two inputs to my flex6600m . and since all my antennas have DC

It’s all about point of control. The TX REQ signal leaves the tuner in control; the tuner simply asks the rig to initiate a tuning cycle, and then releases the line when it’s done so the rig can

Back when I had a FT-dx1200 I made my cable to connect the rig to my AT-600Pro tuner and if the other Yaesu rigs are the same (check your manual) then you can replicate what I did. The PDF of my "LDG