antentopSince2 July

** PLEASE DESCRIBE THIS IMAGE **
** PLEASE DESCRIBE THIS IMAGE **
** PLEASE DESCRIBE THIS IMAGE **

Antentop is FREE e-magazine devoted to Antennas and Amateur Radio an

Special contributor's page devoted to

Igor Grigorov, UA3ZNW, UZ3ZK, RK3ZK, VA3ZNW

 

 

Custom Search

Igor Grigorov, UA3ZNW, UZ3ZK, RK3ZK, VA3ZNW

 


I trust in EH antennas!

PDF file, 560 KB (ANTENTOP-01-2003, pp.: 14- 22)


Nonlinear effects on antennas

PDF file, 300 KB (ANTENTOP-01-2003, pp.: 23- 28)


Multi- Range Vertical Antenna UA1DZ

PDF file, 290 KB (ANTENTOP-01-2003, pp.: 29- 31)


Once again about a magnetic loop

PDF file, 360 KB (ANTENTOP-01-2003, 32- 34)


Keys for QRP- expeditions

PDF file, 230 KB (ANTENTOP-01-2003, pp.: 35- 37)


QRP beyond belief

PDF file, 230 KB (ANTENTOP-01-2003, pp.: 35- 37)


Old computer's PSU gives useful parts for antennas

PDF file, 515 KB (ANTENTOP 01-2003, pp.: 38- 46)


LDE, another look to inexplicable effect

PDF file, 200 KB (ANTENTOP-01-2003, pp.: 61- 62)


EARTH ACUPUNCTURE: Feedback on the problem…

PDF file, 810 KB (ANTENTOP 01-2003, pp.: 63- 70)

 

Antennas in the mountains

PDF file 350 KB (ANTENTOP 01-2003, pp.: 51- 55)

 

Trap in the Main


PDF file, 210 KB (ANTENTOP-02-2003, pp.: 34- 36)


Interferences from Old Power Amplifiers

PDF file, 170 KB (ANTENTOP-02-2003 p.: 33)


Fast Made a Half Wave Antenna for 80 meters

PDF file, 250 KB (ANTENTOP-02-2003 pp.: 51- 52)


Old computer's PSU gives useful parts for antennas. Continued from ANTENTOP 01- 2003, #002

PDF file, 670 KB (ANTENTOP-02-2003 pp.: 65- 77)


Multirange Vertical Antennas

PDF file, 200 KB (ANTENTOP-03-2003, pp.: 42- 44)


Old Military HF - Antennas of Communication Cars

PDF file, 310 KB (ANTENTOP-03-2003, pp.: 44- 49)


Trap on Coaxial Cable

PDF file, 140 KB (ANTENTOP-03-2003, p.: 72)


Hysteresis at a Coaxial Cable

PDF file, 130 KB (ANTENTOP-03-2003, p.74)


Wooden Struts

PDF file, 140 KB (ANTENTOP-03-2003, p.: 76)


RBM Radio

PDF file, 700 KB (ANTENTOP-03-2003, pp.: 86- 91)


Modern Military HF- Antennas of Communication Cars

PDF file, 300 KB (ANTENTOP-01-2004, pp.: 34- 38)


Something about Antenna Tuning Units

PDF file, 340 KB (ANTENTOP-01-2004, pp.: 40- 45)


Antenna Tuning Unit for 6-meters

PDF file, 120 KB (ANTENTOP-01-2004, p.: 46)

 

Shunt Vertical Universal HF Antenna

PDF file, 500 KB (ANTENTOP-02-2004, pp.: 36- 46)


Multirange Trap Antennas

PDF file, 520 KB (ANTENTOP-02-2004, pp.: 47- 61)


Forgotten Antenna

PDF file, 190 KB (ANTENTOP-02-2004, p.: 68)


Losses of RF Power when Feeder works at SWR mode

PDF file, 180 KB (ANTENTOP-02-2004, p.: 72)


An absorbing Filter

PDF file, 115 KB (ANTENTOP-02-2004, p.: 73)


Russian Transceiver EFIR

PDF file, 140 KB (ANTENTOP-02-2004, p.: 80


UW3DI- the Timeless Transceiver

PDF file, 530 KB (ANTENTOP-02-2004, pp.: 81- 85)


Old Receiving Magnetic Loop Antennas

PDF file, 300 KB (ANTENTOP-02-2004, pp.: 87- 92)



Building Antennas

PDF file, 160 KB (ANTENTOP-01-2005, pages: 46- 48


Window Dipole Antennas with Capacitive Loads for the 6 and 10 meters Band

PDF file, 360 KB (ANTENTOP-01-2005, pages: 49- 58)


Broadband Indoor Antenna

PDF file, 650 KB (ANTENTOP-01-2005, pages: 59- 63 and 101- 106)

 

Simple QRP CW Transceiver for the 20 meters

PDF file, 720 KB (ANTENTOP-01-2005, pages: 67- 69)


Nonlinear Propagation of Radio- Wave in Ionosphere

PDF file, 220 KB (ANTENTOP-01-2005, pages: 74- 75)


Einstein Wave or just LDE

PDF file, 760 KB (ANTENTOP-01-2005, pages: 76- 78)

 

The Wonderful Beverage Antenna

PDF file, 900 KB (ANTENTOP-01-2006, page: 45- 49)


Indoor Helical Antenna for the 20 and 17 meters for K1

PDF file, 200 KB (ANTENTOP-01-2006, pp: 50- 52)

 

Experiments with the VHF Magnetic Loop

PDF file, 410 KB (ANTENTOP-01-2006, pp: 53- 54)


Radio Signals out of Our Times

PDF file, 870 KB (ANTENTOP-01-2006, pp.: 61- 65

 

Russian Ham Licence for 1995

PDF file, 560 KB (ANTENTOP-01-2006, page: 87-88)

 

Tube - Semiconductor Transceiver (TST)

PDF file, 1.5 MB (ANTENTOP-01-2007, pp.: 46- 57)

 

Simple SWL HF- VHF Receiver

PDF file, 650 KB (ANTENTOP-01-2007, pp. 58 -63)

 

Key for K1

PDF file, 110 KB (ANTENTOP-01-2007, page: 71)

 

Application for HF- VHF radio amateur station

PDF file, 750 KB (ANTENTOP-01-2007, pp.: 80- 82)

 

Simple Broadband P.A

PDF file, 640 KB (ANTENTOP-01-2008, pp.: 63- 68)

 

Transceiver SQT

PDF file, 1.45 MB (ANTENTOP-01-2008, pp.: 80- 93)

 

Universal RF Amplifier of a QRP- Transceiver

PDF file, 300 KB (ANTENTOP-01-2009, pp: 70...72)

 

Tube AM Radio Station for the 160- meters

PDF file, 450 KB (ANTENTOP-01-2009, pp: 74-77)

 

A Multi Band Tube 10 w QSK Transceiver

PDF file, 250 KB (ANTENTOP-01-2010, pp: 75- 78)

 

An 80 m CW Valve Transceiver

PDF file, 120 KB (ANTENTOP-01-2010, p: 80)

 

Wires for Antenna and Grounding

PDF file, 160 KB (ANTENTOP-01-2013, pp: 90- 91)

 

Helical Antenna for the 20- meter Band

PDF file, 220 KB (ANTENTOP-01-2013, pp: 44- 46)

 

Bridge Effect

PDF file, 200 KB (ANTENTOP-01-2014, pp: 94- 96)

 

Simple Broadband Antenna for the 40- meter Band

PDF file, 390 KB (ANTENTOP-01-2014, pp: 30- 34)

 

Simple HF ATU on Lengths of Coaxial Cable

PDF file, 300 KB (ANTENTOP-01-2014, pp: 85- 88)

 

Experimenters with Microwave Oven

PDF file, 220 KB (ANTENTOP-01-2015, pp: 99- 100)

 

Universal Beverage Antenna

PDF file, 460 KB (ANTENTOP-01-2015, pp: 35- 41)

 

Insulation RX Transformer

PDF file, 250 KB (ANTENTOP-01-2015, pp: 80- 82

 

Modified Beverage Antenna

PDF file, 350 KB (ANTENTOP-01-2016, pp: 23- 29)

 

Shortened Helical Antennas

PDF file, 100 KB (ANTENTOP-01-2016, p: 92)

 

High- Height Invisible Antennas

PDF file, 80 KB (ANTENTOP-01-2016, p.: 91)

 

Time Machine. QSLs from the Past from E- QSL.

PDF file, 160 KB (ANTENTOP-01-2016, p.: 82)

 

Experimenters with Non Snap Ferrite Cylinder Bead RF Chokes

PDF file, 390 KB (ANTENTOP-01-2016, pp.: 76- 81)

 

Beverage Antenna. Theoretical Look on Practical Result.

PDF file, 1.6 MB (ANTENTOP-01-2016, pp.: 33- 45)

 

Black Holes in the Air

PDF file, 60 KB (ANTENTOP-01-2016, p.: 71)

 

 


 

 

 

Just for Fun:

Map IP Address
Powered byIP2Location.com

Thanks for your time!

Last Updated:

August 7, 2016 21:08

** PLEASE DESCRIBE THIS IMAGE **

** PLEASE DESCRIBE THIS IMAGE **