skip to main
|
skip to sidebar
K6JCA
—•— —•••• •——— —•—• •—
Tuesday, January 24, 2012
New QSL Card!
Finally, a new QSL card:
(My design. Printed by
KB3IFH
).
1 comment:
drjim
said...
That'll sure keep the shack warm in the wintertime!
January 24, 2012 at 11:43 AM
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
HF Band Conditions
Total Pageviews
Subjects
10 Meter Beacon
(1)
1820-0092 Replacement
(1)
500W HF PA
(8)
813 AM Transmitter
(3)
813 AM Transmitter - accessories
(2)
ABCD Matrix
(1)
AD8307
(1)
Amplifier 500W
(1)
Antenna - 43-foot Horizontal Doublet
(1)
Antenna - 43-foot Vertical Doublet
(1)
Antenna - 80 Meter Loop
(3)
Antenna - Doublet Designing
(1)
Antenna - LPi
(1)
Antenna Launcher
(2)
Antenna Tuner: Automatic (Auto-tuner)
(10)
Antenna Tuner: Drake MN-4
(2)
Antenna Tuner: Elecraft KAT500
(1)
Antenna Tuner: Elecraft T1
(1)
Antenna Tuner: Icom AH-4
(1)
Antenna Tuner: Nye Viking MB-V-A
(1)
Antenna Tuner: Rohde Antenna Coupler
(1)
Antenna Tuner: W8ZR EZ-Tuner
(2)
Antenna Tuners: Reflection Analysis using Convolution
(2)
Antenna Tuners: L-Networks
(3)
Antenna Tuners: LC Network Reflection & Transmission Coefficients
(1)
Antenna Tuners: LC Tuner & Transmission Line Wave Interactions
(1)
Antenna Tuners: Match Detection
(1)
Antenna Tuners: Measuring Power Loss
(2)
Antenna Tuners: Measuring the Matching Range
(1)
Antenna Tuners: Smith Chart Tutorial
(1)
Antenna Tuners: T-Networks
(1)
Antenna Tuners: Wave Interference
(1)
ARC-5 -- Dynamotor Relubrication
(1)
ARC-5 Receiver -- AC Power Supply
(1)
ARC-5 Receiver -- BC-454-B
(1)
Arduino
(3)
Balun 3 Port Analysis
(1)
Baluns
(1)
Baluns: Characterizing Loss and C.M. Impedance
(1)
Baluns: Nooelec 1:9 Balun
(1)
Baluns: Effect of Characteristic Impedance on Zin
(1)
Baluns: Y21 Method of CM Impedance Measurement
(1)
Bass Guitar Painting Jig
(1)
Bass Guitar: Building a Lefty Short-scale
(1)
Bass Guitar: G&L ASAT
(2)
Bass Guitar: G&L ASAT Strap Button Extender
(1)
Bass Guitar: Mellow Yellow Build
(1)
Bass Guitar: Sonic Blue P-bass Build
(3)
BC-454-B ARC-5 Receiver
(1)
BK TL89F1
(1)
Central Electronics 100V
(1)
Class E/F Exciter
(4)
Common-Mode Chokes
(2)
Common-Mode Chokes: Removing VNA Port Capacitance from S11 Impedance Measurements
(1)
Common-Mode Chokes: Y21 Method vs S21 (G3TXQ)
(1)
Common-Mode Chokes: 3 Port Analysis
(1)
Common-mode Chokes: Calculating the Inductance of a Ferrite Toroid Inductor
(1)
Common-Mode Chokes: Power Dissipation vs Effectiveness
(1)
Common-Mode Chokes: S21 (G3TXQ) vs S11
(1)
Common-Mode Currents
(1)
Common-Mode Currents in Circuits
(1)
Common-Mode Currents on Two-Wire Transmission Lines
(1)
Converting an HP Counter to a Clock
(1)
Convolution and Impedance Matching
(2)
Custom Front Panels
(1)
Direct Sampling HF Transceiver
(2)
Directional Bridge
(1)
Directional Bridge vs Rsource and Rdetector
(1)
Directional Couplers: Bird Wattmeter
(1)
Directional Couplers: Bruene
(3)
Directional Couplers: Building
(4)
Directional Couplers: Calculating Flux Density
(1)
Directional Couplers: Daiwa
(1)
Directional Couplers: Monimatch
(1)
Directional Couplers: Tandem-Match
(5)
Directional Couplers: Twin-Lead "Twin-Lamp" SWR Indicator
(1)
DSL Modem/Router 5031NV
(1)
DSL Modem/Router NVG510
(1)
Dynamotor DM-32-A
(1)
Dynamotor DY-2/ARR-2
(1)
Field Strength Meter
(1)
Fireside Type A Crystal Radio
(1)
Flex 5000
(4)
Fluke 6060B
(1)
FPGA SDR HF Transceiver
(12)
Google WiFi
(1)
GPS Disciplined-Oscillator
(3)
Heathkit Cheyenne Transmitter
(2)
Heathkit HR-10 Receiver
(2)
Heathkit SB-220 Amplifier
(2)
HP 16047A
(1)
HP 1820-0092 Replacement
(1)
HP 3314A
(2)
HP 3438A
(1)
HP 3478A
(1)
HP 5216A
(1)
HP 8503A
(1)
HP 85046A
(1)
HP 85046B
(2)
HP 8640B
(1)
Icom IC-725 Frequency Stability
(1)
IMD Uncertainty
(1)
Impedance Matching
(6)
Inductance Calculation of a Ferrite Toroidal Inductor
(1)
KW Atlanta Transceiver
(1)
L-Network: Complex Load to Real Zo
(1)
LM2596 - Counterfeit
(1)
LPi Antenna (QST Nov. 2023) -Unun Schematic Correction
(1)
LTV G-133 Receiver
(1)
Maxwell's "A Tutorial Dispelling Certain Misconceptions Concerning Wave Interference in Impedance Matching"
(1)
ME-165/G SWR & Power Meter
(1)
Morrow MB-565
(1)
Morrow MB-6
(1)
NanoVNA
(2)
Networks: Comparing L to T
(1)
Networks: L
(1)
Networks: L-Network Design Equations
(1)
Networks: L-Network Design Equations for Lossy Networks
(1)
Networks: L-Network Equations for Any Impedance Transformation
(1)
Networks: Reflection and Transmission through a 2-port Network
(1)
Networks: Revisiting L-Network Design Constraints
(1)
Networks: T
(1)
PA IMD
(1)
Power and SWR Equations
(1)
PRC-47
(1)
QRP Transceiver
(1)
QSL Card
(1)
QST - LPi Antenna (Nov. 2023)
(1)
Quarter-wave Transformer
(1)
R-105/ARR-15 Receiver
(2)
Raspberry PI
(3)
Relay Module - 1 Channel Opto-Isolated - from Amazon
(1)
Remote Operation
(1)
Repair Log: Fluke 6060B
(1)
Repair Log: HP 3314A
(2)
Repair Log: HP 3438A
(1)
Repair Log: HP 5216A
(1)
Repair Log: HP 8640B
(1)
Repair Log: Tek SC-502
(1)
Repair Log: Tek SC-504
(1)
RF Power Meter
(1)
Rikstelefonen Type E.B. 21 Telephone
(1)
RLB Bridge vs Rsource and Rdetector
(1)
SDR-1000
(9)
Shack Pictures
(1)
Si5351
(1)
SMD Prototyping
(1)
Smith Charts: 3-D Data Plots
(1)
Smith Charts: Tutorial
(1)
Source Impedance vs SWR
(1)
SPICE
(2)
SWR and Power Equations
(1)
SWR and Voltage Equations
(1)
SWR vs Output Impedance
(1)
SWR vs Source Impedance
(1)
Tektronix SC502
(1)
Tektronix SC504
(1)
The Gang
(1)
Theory
(3)
Transformers (at RF)
(1)
Transmission Line: 2-Port Network
(1)
Transmission Lines: Common-mode Currents
(1)
Transmission Lines: Input Impedance of Terminated Line
(1)
Transmission Lines: Zo Calculation from S11 Method 1: Zo=SQRT(Zsc*Zoc)
(1)
Transmission Lines: Zo Calculation from S11 Method 2: 1/8th Lambda
(1)
Transmission Lines: Zo Calculation from S11 Method 3: Circle of Constant SWR
(1)
Transmission-Line Transformers
(1)
VNA
(1)
VNA: 12-term Error Model
(1)
VNA: Thru De-embedding
(1)
VNC
(2)
Voltage and SWR Equations
(1)
Walter Maxwell
(1)
Wave Mechanics of Transmission Lines
(1)
Western Electric 211 Spacesaver Telephone
(1)
WRL Duo-Bander 84
(1)
WSPR
(3)
Y21 Impedance Measurement
(1)
Yaesu FT-1000D AGC Mods
(1)
K6JCA
...at the DeAnza swapmeet
About Me
View my complete profile
To reach me...
If you'd like to reach me, just send an email to:
jca1955
'at'
sbcglobal.net
Blog Archive
►
2024
(6)
►
December
(2)
►
September
(1)
►
August
(1)
►
July
(2)
►
2023
(9)
►
November
(3)
►
October
(1)
►
August
(1)
►
May
(4)
►
2022
(9)
►
December
(1)
►
June
(1)
►
May
(2)
►
April
(1)
►
March
(2)
►
February
(1)
►
January
(1)
►
2021
(11)
►
October
(1)
►
September
(1)
►
May
(2)
►
March
(3)
►
February
(2)
►
January
(2)
►
2020
(11)
►
November
(2)
►
October
(1)
►
August
(3)
►
July
(1)
►
June
(1)
►
May
(2)
►
January
(1)
►
2019
(13)
►
December
(9)
►
September
(2)
►
July
(1)
►
February
(1)
►
2018
(13)
►
December
(1)
►
September
(3)
►
August
(3)
►
June
(2)
►
May
(2)
►
February
(2)
►
2017
(18)
►
December
(2)
►
November
(3)
►
October
(1)
►
September
(2)
►
August
(1)
►
July
(1)
►
May
(2)
►
April
(1)
►
March
(2)
►
February
(2)
►
January
(1)
►
2016
(6)
►
October
(2)
►
May
(1)
►
February
(1)
►
January
(2)
►
2015
(27)
►
December
(1)
►
November
(1)
►
October
(1)
►
September
(1)
►
July
(3)
►
June
(4)
►
May
(3)
►
April
(2)
►
March
(3)
►
February
(6)
►
January
(2)
►
2014
(5)
►
November
(2)
►
August
(1)
►
July
(1)
►
March
(1)
►
2013
(4)
►
September
(3)
►
June
(1)
▼
2012
(4)
►
September
(1)
►
July
(2)
▼
January
(1)
New QSL Card!
►
2011
(7)
►
June
(1)
►
May
(1)
►
March
(2)
►
January
(3)
►
2010
(9)
►
November
(1)
►
October
(1)
►
August
(3)
►
June
(1)
►
February
(1)
►
January
(2)
►
2009
(17)
►
December
(3)
►
October
(4)
►
September
(1)
►
August
(3)
►
March
(6)
►
2008
(13)
►
July
(4)
►
January
(9)
►
2007
(1)
►
December
(1)
The Lab!
To equip a lab cheaply: buy broken gear and fix it yourself...
And the shack at k6jca
Interesting Links!
Owen Duffy, VK1OD, Blog
AC6LA Software
KV4QB Blog
Weather
Popular Posts
Notes on Directional Couplers for HF
Schematic, Amazon Relay Module: 1 Channel, Optocoupler Isolation Hi/Low Trigger
Building an HF Directional Coupler
Bringing an ARC-5 Receiver Back to Life, Part 1 (BC-454-B)
Monte Carlo and Worst-Case Circuit Analysis using LTSpice
Antenna Auto-tuner Design, Part 5: Directional Coupler Design
Improving the Heathkit HR-10B Receiver
The Y21 Method of Measuring Common-Mode Impedance
A 500 Watt HF PA, Part 1: Overview
More Notes on Directional Couplers for HF -- the Bruene Coupler, Part 1
1 comment:
That'll sure keep the shack warm in the wintertime!
Post a Comment