general2023: minor revision to section 4.3

Author: taxilian

general2023/content/Part 1. The Science/Chapter 4. Advanced Antenna Systems/section 4-3 Directional Antennas.md

@@ -78,13 +78,13 @@ Computer modeling has revolutionized antenna design. Modern Yagis are optimized
 
 The good news? Even a basic three-element Yagi dramatically improves your signal compared to a dipole.
 
-#### Stacking: When One Beam Isn't Enough
+#### Stacking: When One Antenna Isn't Enough
 
-Here's a secret of the big gun DX stations: they rarely use just one antenna. Stacking multiple Yagis multiplies your effective power without touching the amplifier knob.
+Here's an interesting trick when you want more gain from your antenna system: You can combine multiple antennas together using a method called "stacking." While stacking works best with beam antennas like Yagis, the principle is simple—two antennas capture twice the signal of one.
 
-> **Key Information:** In free space, the gain of two 3-element Yagi antennas spaced vertically 1/2 wavelength apart is approximately 3 dB higher than a single 3-element Yagi. {{< link id="G9C09" >}}
+The catch? They need proper spacing (typically 1/2 wavelength apart) and must be fed in phase. Get it right and you gain 3 dB—like doubling your transmitter power. Get it wrong and your signals cancel rather than combine.
 
-![Stacked Yagi Antennas](../images/stacked-yagis.svg)
+> **Key Information:** In free space, the gain of two 3-element Yagi antennas spaced vertically 1/2 wavelength apart is approximately 3 dB higher than a single 3-element Yagi. {{< link id="G9C09" >}}
 
 That 3 dB improvement means your 100-watt signal now hits like 200 watts—without the expense and complexity of an amplifier. But the benefits go beyond raw gain.
 
@@ -178,4 +178,4 @@ Even if you can't put up a beam antenna today, understanding how they work prepa
 
 The journey from your first dipole to a tower full of aluminum is part of amateur radio's lifetime adventure. Each step teaches valuable lessons about propagation, construction, and the art of radio communication. Whether you eventually build that dream station or find joy in simpler approaches, understanding directional antennas helps you make informed choices about your station's evolution.
 
-As we continue exploring antenna systems, our next section examines specialized antennas that solve specific challenges—from operating in restricted spaces to maximizing performance in mobile installations. These creative solutions prove that effective operation doesn't always require massive towers and beams!
+As we continue exploring antenna systems, our next section examines specialized antennas that solve specific challenges—from operating in restricted spaces to maximizing performance in mobile installations. These creative solutions prove that effective operation doesn't always require massive towers and beams!