Difference between revisions of "User talk:W0DBW"

Revision as of 09:45, 1 August 2015

articles to read

• http://www.copperelectronics.com/discus4/messages/7750/111489.html?1345400100

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RG8, RG8X, RG58U

RG58U

• more flexible
• lower cost
• good for short runs with mobile installations

RG8

• less loss on long runs 50ft - 100ft
• thicker and less flexible

RG8X (mini foam)

• smaller than RG8 with less loss than RG58U
• still not as good as RG8

NASA Coax Cable Loss Chart

USED MARKET PRICE WATCH

$150   2014    Drake TR-7                      Used fair condition
$366   2015    Drake TR-7                      Used fair condition
$400   2014    Drake TR-7                      Used good condition
$430   2015    Drake TR-7                      Used excellent condition

$425   2015    ICOM IC-718 HF                  Used excellent condition
$435   2015    ICOM IC-718 HF                  Used excellent condition
$485   2015    ICOM IC-718 HF                  Used excellent condition
$371   2015    ICOM IC-735                     Used good condition
$380   2015    ICOM IC-735                     Used good condition
$385   2015    ICOM IC-738                     Used good condition
$395   2015    ICOM IC-751A                    Used good condition

$658   2015    Kenwood TS-850SAT               Used excellent condition
$685   2015    Kenwood TS-850SAT               Used excellent condition
$615   2015    Kenwood TS-940S                 Used excellent condition

$340   2014    Yaesu FT 840                    Used excellent condition
$321   2015    Yaesu FT 8900 Quad Band         Used excellent condition

NISSEI RS-502

SWR/POWER METER with 5/20/200W scale 1,8-525MHz with monitoring forward power, reverse power and SWR reading.

Main features: Large meter display for ease of reading, Forward RF power readings, switchable to indicate either AVG average, power or Peak Envelope Power(PEP) for SSB and AM transmitters, Reflected RF Power readings, VSWR ratios and calibration meter, Dual connectors SO-239: 1,8-200MHz and 125-525MHz. I/O Impedance: 50 ohm, Illuminated meter.

Weight: 0,950Kgr. Dimensions: 190x85x135 mm.

• Nissei Sokki HAM Radio Products

MFJ-874

This looks a lot like the Nissei, however, is MFJ brand. This has one extra button to select VHF/UHF or HF.

Diamond SX-400

Diamond power meter SX-400 5w 20w 200w 400w Power and SWR Meter - The SX400 measures forward and reflected power and VSWR. Compact size makes meter useful for testing both base and mobile installations.

Special Features: Illuminated meter, Switchable r.m.s. or peak power, Measures forward, reflected & VSWR power. Dimensions 6"W x 2"H x 4"D, 2 lbs.

Specifications: 140-525 MHz at 5, 20, or 200 watts. Connector SO-239, Minimum power required to SWR test is 4 watts.

Merchants

Online merchants

• http://www.gigaparts.com/ - Gigaparts receives mostly favorable reviews.
• DX Engineering - mostly favorable. won't price match.

Many merchant reviews can be found at the eHam Company Reviews forum from other HAM operators sharing their experiences.

club equipment

Some of the equipment I was able to operate by the kind provision of our local radio club.

• Kenwood TS-450S

Drake TR-7

later model with a serial number 89xx

Software Defined Radio (SDR)

• SoftRock RXTX 30-20-17 meter SDR transceiver QRP
• SoftRock RXTX 15-12-10 meter SDR transceiver QRP

GMSK(digital)

Gaussian Minimum Shift Keying or Gaussian filtered Minimum Shift Keying, GMSK, the form of modulation with no phase discontinuities used to provide data transmission with efficient spectrum usage.

• Icom ID-800H Digital Dual Band Mobile Transceiver with D-Star