70cm

Diplexer construction 2m/70cm and SW/VHF - Build your diplexer with more than 70db port isolation and less than 0.2db attenuation. Easy project.

G4CQM Homebrew VHF Yagi antennas  ^{updated  pop} - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis

Bazooka dipole for 70 cm band - Here is a very simple 70cms dipole from Harald PD2HFE, which uses a single piece of RG-213 coaxial cable 34 cms in length.

Build A 9dB, 70cm Collinear Antenna  ^pop - 70cm, Collinear Antenna From Coax

70cm yagi antennas - Pictures and plans to build 70 cm yagi antennas

70cm Longyagis - 70cm-Longyagis in 28Ohm-DK7ZB-Design

440 Mhz J-Pole Antenna plans - Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary. The dimensions aren’t typical however, this is what it took to get its SWR low.

70cm Quadruple Quad - A suitable high gain 70cms antenna for SOTA operation by Richard Price GW0VMW

70cm Quagi antenna - Building a 70cm Quagi to Work AO-51 by K6JEB

8 Element Quagi Antenna for 70cm - Quagi 8el 70cm improved 13.77dBi by IK1HGE

AO-40 70cm Uplink Antenna - homebrew satellite antenna

VHF/UHF Long Yagi Workshop  ^pop - Yagi plans and notes for 6m, 2m, 70cm and 23cm

Vertical antenna for 2 mt and 70cm  ^{updated  pop} - How to Build a Dual-Band Antenna for 2M/70cm

DK7ZB Yagi Homebrewing  ^{updated  pop} - Yagis for homemade with a new match-system, for 6m, 4m, 2m, 70cm and Shortwave

432 Mhz and above newsletters - EME DX Eperiences and dx news by K2UYH (W6/PA0ZN)

Essex Repeater Group - These pages provide the Latest News and information on ERG, the voice repeaters GB3DA (2m), GB3ER (70cm), GB7ZP (70cm D-Star), GB3DB (6m), and the 10GHz microwave beacon GB3CMS.

Plainfield Radio League - An ARRL-affiliated club serving the Plainfield-area and Joliet. Sponsors the WW9AE 70cm ARES repeater 444.550 + 114.8. Meets last Wednesday of the month at the Plainfield Family Restaurant at U.S. Rte. 30 and Renwick Road at 7:00 p.m.

DF6NA : VHF Audio Examples - Sporadic E, meteor scatter, 70cm 23cm and 10Ghz audio recordings in various modes

KB6KQ Loop antennas - Horizontally polarized, omnidirectional loop antennas for VHF and 70cm amateur bands

PD0HNI ATV projects Priority listing - Pd0hni 3cm 6cm 13cm 23cm 70cm ATV projects

Yaesu FT-817 discussion group - Members discuss the operation of and modifications to this outstanding QRP rig that covers 160m 70cm with all modes. Site contains a large database of FT-817 FAQs and data files. Antennas, tuners, and power sources are also covered as related to this ultra-compact transceiver.

70cm GS-23b Amplifier - 1500 watts amplifier for 70 cm band using GS23B /4CX1600U SVETLANA by LZ2US

Mode J Desense Filter - This type of filter can be used in a Mode J satellite station (uplink on 2m, downlink on 70cm) to reduce the problem of the uplink signal desensing the receiver

HA8ET Technical & Homebrew pages  ^pop Priority listing - Technical Articles, Homebrew,Test & Measurements, (Returnloss Bridge 1,8 MHz...1300 MHz, 2m/70cm DIPLEXER...) Vacum Tube Databases, VHF-UHF-SHF Power amplifiers,HAM links, electronics links

AWA RT85A (RT85) notes - Conversion, programming, and software notes for the AWA RT85A UHF transceiver for 70cm