WA3SFJ logoChesapeake Bay Radio AssociationWA3SFJ • Connecting Technology Through Amateur Radio
Downloads • Guides • References

Resources

A central library for public learning materials, club references, downloads, and useful amateur radio links.

Resource Library

Use these public resources to learn, study, operate, and find the right club information.

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Band Plans

Use band charts to understand amateur radio bands, modes, and license privileges.

Open Band Chart

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Cheat Sheets

Quick references help new and experienced operators review common operating basics.

Open Cheat Sheet

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Licensing Resources

Study tools, exam information, and learning pathways for new operators.

Licensing Help

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Repeater Information

Public repeater information appears below when a repeater is marked public in CBRA Infrastructure.

View Repeaters

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External Links

Official and commonly used amateur radio references from national, regulatory, and weather sources.

View Links

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Knowledge Base

Future articles can organize common questions, how-to guides, and technical references.

Suggest Topic

Featured Downloads

Public files that can be opened or downloaded by visitors and members.

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US Amateur Radio Band Chart

Reference chart for bands, privileges, and modes.

Download

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Ham Radio Cheat Sheet

Quick reference material for operators and learners.

Download

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CBRA Bylaws

Current bylaws effective October 18, 2023.

Download

Public Repeater Information

Only repeaters marked as public in CBRA Infrastructure are displayed here.

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WA3SFJ 2 Meter Repeater

Callsign: WA3SFJ

Frequency: 146.850 MHz
Offset: -600 kHz
Tone / DCS: 107.2 Hz
Status: Online

Public CBRA repeater information. 2 meter FM repeater. Repeater output: 146.850 MHz. User transmit/input: 146.250 MHz. PL tone: 107.2 Hz. Weekly CBRA club net is held Thursdays at 8:00 PM. Internet relay: AllStar node 558300 and EchoLink WA3SFJ-R node 585690. Hardware listed publicly: Yaesu Fusion DR-1X receiver, Yaesu controller mode FM, battery power supply, TPL custom-built amplifier, 200 watt output.

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WA3SFJ 70 Centimeter Repeater

Callsign: WA3SFJ

Frequency: 444.825 MHz
Offset: +5 MHz
Tone / DCS: 167.9 Hz
Status: Online

Public CBRA repeater information. 70 centimeter repeater. Repeater output: 444.825 MHz. User transmit/input: 449.825 MHz. PL tone: 167.9 Hz. Hardware listed publicly: Yaesu Fusion DR-1X receiver, Yaesu controller mode AMS, battery power supply, TPL custom-built amplifier, 65 watt output.

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WA3SFJ 6 Meter Repeater

Callsign: WA3SFJ

Frequency: 53.830 MHz
Offset: -1 MHz
Tone / DCS: 94.8 Hz
Status: Offline

Public CBRA repeater information. 6 meter repeater currently listed as off-line. Repeater output: 53.830 MHz. User transmit/input: 52.830 MHz. PL tone: 94.8 Hz. Hardware listed publicly: SCOM 7330 controller, Hamtronics receiver, battery power supply, converted GE Master amplifier, 100 watt output.

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