Difference between revisions of "User talk:W0DBW"

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(Software Defined Radio (SDR): new section)
(GMSK(digital): new section)
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* SoftRock RXTX 30-20-17 meter SDR transceiver QRP
 
* SoftRock RXTX 30-20-17 meter SDR transceiver QRP
 
* SoftRock RXTX 15-12-10 meter SDR transceiver QRP
 
* SoftRock RXTX 15-12-10 meter SDR transceiver QRP
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 +
== 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

Revision as of 19:51, 30 July 2015

articles to read

My new CLICK ME banner

Ke0etzvisitpage.png

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

$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.

P06-402.gif

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.

MFJ-874

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

MFJ-874Meter.jpg

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.

Diamondsx400.jpg

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

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

Kenwoodts450s.jpg

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