Merge pull request #262119 from 777arc/patch-2

Aqua tutorial - Increase elevation and add sudo note to socat command

Author: prmerger-automator[bot]

articles/orbital/downlink-aqua.md

@@ -47,7 +47,8 @@ Sign in to the [Azure portal - Orbital](https://aka.ms/orbital/portal).
  | JPSS-1/NOAA-20  | 43013        | 7812                       | 30                  | Downlink      | RHCP             |
  | Terra           | 25994        | 8212.5                     | 45                  | Downlink      | RHCP             |  
 
-4. Search for your desired public satellite in [CelesTrak](https://celestrak.com) and identify its current Two-Line Element (TLE).
+
+4. Search for your desired public satellite in [CelesTrak](https://celestrak.org/NORAD/elements/gp.php?GROUP=active&FORMAT=tle) and identify its current Two-Line Element (TLE).
 
    > [!NOTE]
    > Be sure to update this TLE to the most current value before you schedule a contact. A TLE that's more than two weeks old might result in an unsuccessful downlink.
@@ -173,7 +174,7 @@ To receive antenna telemetry during contacts with your selected public satellite
    | **Name** | Enter **[Satellite_Name]_Downlink**, e.g., Aqua_Downlink. |
    | **Region** | Select **West US 2**. |
    | **Minimum viable contact duration** | Enter **PT1M**. |
-   | **Minimum elevation** | Enter **5.0**. |
+   | **Minimum elevation** | Enter **15.0**. |
    | **Auto track configuration** | Select **X-band**. |
    | **Send telemetry to Event Hub?** | Select **Yes**. |
    | **Event Hubs Namespace** | Select an Azure Event Hubs **namespace** to which you'll send telemetry data for your contacts. You must select a subscription before you can select an Event Hubs namespace. |
@@ -233,7 +234,7 @@ To receive antenna telemetry during contacts with your selected public satellite
 8. Shortly before you start running the contact, start listening on port 56001 and output the data received in the file: 
 
    > [!NOTE]
-   > This command references Aqua. Edit the command to reflect the public spacecraft you're using.
+   > This command references Aqua. Edit the command to reflect the public spacecraft you're using. In addition, you may need to add sudo.
 
    ```console
    socat -u tcp-listen:56001,fork create:/media/aqua/out.bin