Galaxy DX-959G Deluxe Mobile AM/SSB Transceiver

Technical Specifications

General Specifications

• Channels: 40 Channels
• Frequency Range: 26.965 to 27.405 MHz
• Emission Modes: AM, Upper Sideband (USB), Lower Sideband (LSB)
• Frequency Control: Phase-Lock-Loop (PLL) Synthesizer
• Frequency Stability: 0.001%
• Input Voltage: 13.8V DC nominal
• Current Draw: 2.5 Amps maximum
• Antenna Impedance / Connector: 50 Ohms / SO-239 (UHF Female)
• Dimensions / Weight: 7-7/8" (W) x 9-1/4" (D) x 2-1/8" (H) / 6.0 lbs

Transmitter Specifications

• RF Power Output: 4 Watts (AM) / 12 Watts PEP (Single Sideband)
• Frequency Response / Tolerance: 300 to 2500 Hz / 0.005%
• Spurious Emissions / Sideband Suppression: Better than -55dB

Receiver Specifications

• Sensitivity (10dB S+N/N): AM: 0.5 µV / USB & LSB: 0.25 µV
• Squelch Sensitivity: Less than 0.5 µV
• Audio Power Output: 2 Watts @ 10% distortion
• Image Rejection Ratio: -65dB
• Clarifier Range: ±1.0 kHz

Key Features & Controls

• StarLite Faceplate: Backlit electro-luminescent layout for seamless low-light visibility.
• Advanced Displays: Features a five-digit orange frequency counter display, blue channel indicator, and a dual blue/red RX/TX status LED.
• Multi-Function Analog Meter: Large, backlit display reading incoming signal strength (S-meter), modulation percentage, RF output power, and SWR.
• Automatic SWR Circuit: Calibrates automatically without a manual calibration knob, paired with a red High SWR Alert LED to protect the transmitter.
• Galaxy Noise Filter (GNF): Specialized audio filter designed to de-emphasize high frequencies and help extract weak, long-distance DX signals.
• Audio Controls & Filtering: Independent Mic Gain, RF Gain, Variable Talkback volume, Variable Dimmer, Noise Blanker (NB), Automatic Noise Limiter (ANL), and a 3-position Tone switch.
• Roger Beep: End-of-transmission alert tone with an individual On/Off toggle switch and dedicated green indicator LED.

Station Role

The Galaxy DX-959G brings high-performance, full-featured 11-meter capability to the W8USR operating deck. Operating as a baseline asset, it gives control operators access to local, highway, and emergency monitor channels across the standard 40-channel spectrum. The radio is integrated into the console desk framework, drawing its energy directly from a dedicated, low-ripple linear bench power supply to maintain maximum signal purity during voice operations.

History with Radio W8USR

The Galaxy DX-959G mobile transceiver was added to the station inventory to provide a high-end, dedicated AM/SSB platform for monitoring the 11-meter bands. To ensure a stable and noise-free footprint on the desk, the radio was paired with a Pyramid PS-15K5 low-ripple linear bench supply brought out from the station storage locker. Since its installation, the DX-959G has been a highly reliable tool for checking local band conditions and testing multi-mode antenna configurations from the console desk.