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DX Man is probably talking about the extra 5 to 8 dB gain a horizontal antenna can achieve from what is called ground reflection gain. The take-off angle changes with height. The angle that the signal strikes the ground and is reflected, combines with the incident wave signal and actually adds...

Florida RF Labs has some nice attenuators. Henry Radio as well. I have picked up several off Ebay. I have a 100 watt 10 dB pad to limit drive to a solidstate amplifier. 50 watt 3 dB. attenuator 100 watt 1.0 dB attenuator The above require a heatsink to be mounted on. Below is a coaxial...

The term "such devices" simply means those devices that do as you pictured. There are a lot of different ones out there, and ANY of the cheaper types OF THOSE DEVICES will NOT meet what they claim for results. They are fine for low current applications but performance drops off quickly with high...

Oh I am well aware of such devices but they are generally just a bandaid with most of the sticky stuff gone. IOW they do not work that great, especially at high power demands. I have tried them at low power with acceptable results but high power applications and they start to fail.

Most exotic DX have a QSL manager to look after all that. They send them their logs a few times a year and the manager does the work in his free time.

Typical HF range toroid. Good for 2-30 MHz and good for a few hundred watts. Typically used in HF baluns.

Probably not, but 3Kw would get the same results plus the added benefit of better RX.

IT DOES NOT WORK. THE HTX-10 HAS NEVER BEEN ABLE TO GO OUT OF BAND WITH A SIMPLE MOD.THE CHIP HAS DIFFERENT FIRMWARE PROGRAMMED INTO IT. THE HTX-100 HOWEVER WAS A DIFFERENT STORY. APPARENTLY SOME PEOPLE HAVE NEVER LEARNED THE MEANING OF THE WORD "NO" AND STILL INSIST IT IS POSSIBLE DESPITE THE...

I wasn't talking about using a 10m beacon to align anything. Why would you? It is transmitter by homemade gear most of the time or sometimes a converted CB radio to operate on 10m.The VAST majority are NOT frequency locked any more than the tolerances the gear was made with. I was talking about...

1977 for me. Mom and dad started going to CB dances with friends that were members of a local CB club. Dad bought a Midland 13-898B and I got hooked on DX.

What??????? If you for some unknown reason want GPS precision for frequency control, you need something other than a CB radio. I have no idea what you are intending to do and listening to something on 10m and returning to 11m in no way will make you off frequency. If you want GPS timing to...

With the way propagation comes in and out, I think two hours between transmissions is too long. There are LOTS of continuous beacons transmitting on the bottom of 10m. Why not just use those because if 10m is open, 11m will be.

To me, synchronized means that they track exactly. If the radio is a bit out of alignment that would not be the case, hence my preference for the old term "locked" or "unlocked".

Use RG-11. It is the same size as RG-8 but is 75 ohms and has a solderable shield.

RG-59 if you want the small stuff but I prefer RG-11. It is an RG-8 type cable, same size basically, but 75 ohms.

Make your own. Easy peasy.

Coaxial Dynamics elements are exact drop-in replacements for the more expensive Bird elements.

The accuracy is based on the full scale reading. If you have a 100 watt slug the meter will read 100 watts at full scale however if the accuracy is +/- 5% then you can expect to see anything from 95 watts to 105 watts when hitting it with exactly 100 watts. If you put that same 100 watts thru a...

That would be a sextant.

It isn't just Yaesu. All the manufacturers took the cheap route. A simple chip costing pennies instead of a whole RF circuit costing dollars. It is a simple case of just because it can be done does not mean it should be done. Today's appliance operators have no clue about the difference, whereas...