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Ham Radio . Magnum Experimentum

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Home
Radio Shorthand
Tech Talk
Amateur Radio, Why?
About
Subjects
- Activities
- Antennas
- contesting
- Connectors
- Digital Modes
- EmComm
- Installations
- interfaces
- Introspection
- Lab Shootouts
- Miscellaneous
- mobile
- NEC Shootouts
- News
- Operating Tips
- power supply
- Accessories
- Promoting
- Propagation
- Public Service
- Radios
- Repair
- Reviews
- Safety
- Software
- station
- Test Gear
- Tomfoolery
- Whackers

backpack

BOB, the battery operated “beacon” for APRS

August 4, 2019July 29, 2019

I built a prototype APRS beacon, dubbed Thor Hammer (big), to test back-packable APRS 2m beacon concepts.

Categories Portable Tags 2m, APRS, backpack, Byonics, dipole, EFHW, end-fed, hiking, Laird, Larsen, N, NMO, portable, PVC, SMA

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Topics & Keywords

2m 6m 10m 15m 20m 40m 43 foot 70cm 80m AHVD APRS Baluns battery BigIR copper Diamond dipole DX-Eng. EFHW Elecraft end-fed EZNEC Field Day Golden Packet hexbeam J-Pole Kenwood kj4faj KX3 kx4o measurement mobile NEC NMO NVIS packet PL259 QRP sdr Simulation SteppIR UHF vertical dipole verticals VHF

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