Belmont Park, Orange, California Simplex Site Survey

Belmont Park is located on the corner of Somerset Street and Via Escola in Orange, California.  It is open from 5AM to 11PM. There are a few street parking spots.

This park could be used as a strategic point-to-point relay between this area and Coastal Peak Park in Newport Beach, California 15 miles due south. 

This spot is also a good simplex relay station for other stations located in Orange, Tustin, Santa Ana, Fountain Valley, Costa Mesa, Huntington Beach, Newport Beach and Irvine. Below is a map of the line of sight coverage from Belmont Park. The actual coverage …

Continue Reading →

Fully Mobile Digital Ham Radio with Wires X

Below is a video demonstration of a fully mobile digital ham radio setup that can be operated anywhere within range of Wi-Fi or cellular networks.  With this setup I can connect to any Wires-X room in the entire world.  I can be indoors working plugged into AC and WiFi or fully portable using battery power and a Wi-Fi hotspot.

The laptop is handy for quickly finding and switching to rooms, but so long as you have a nearby Wires-X or System Fusion repeater connected to the Internet you could work with just the handheld radio.

Parts to buy:

  • A radio

Continue Reading →

Can You Find Us? Fox Hunt Monday 3/16

On Monday, March 16, 2020, my wife Julie and I will be the foxes hiding in a 93 square mile area of northeastern Orange County.

We will be within these boundaries:

  • East of the 57 freeway.
  • Generally South of Carbon Canyon Regional Park and Chino Hills State Park.
  • West of the 241 and 261 toll roads.
  • West of Santiago Oaks Regional Park and Irvine Regional Park.
  • North of the 5 freeway.

We will begin transmitting tones on the input frequency of the OCRACES repeater which is 146.295 MHz (136.5 Hz PL), beginning at about 7:20 PM following the OCRACES weekly …

Continue Reading →

How to Build an APRS iGate with RTL-SDR, SDR#, Direwolf and PinPoint APRS for Windows

If you’ve been researching how to build an APRS iGate, surely you’ve seen quite a few articles on setting up a Raspberry PI or other Linux-based solution.  But what if you don’t have a Raspberry PI laying around?  What if you’re not a Linux geek?  Well, this is your simple Windows-based solution.  I’ll first provide the parts list and then get into the details.

Item Needed Description Source
Base Station Antenna and Cabling For receiving APRS audio Local HAM shop, Home Depot, Internet
RTL-SDR USB Dongle For connecting the antenna to the computer Internet (Amazon)
AIRSPY SDR# Your software defined

Continue Reading →