Date of last page update
25.11.2024
Basic
Feed
with septum transformer
edit from Power Point
Mechanical
solution of 10386 MHz Septum feed
Drawing
of mechanical solution for 23 and 13 cm
Theory
of septum polarization transformer IEEE source
Other
IEEE source
Flare
for Septum polarization feed
theoretical calculation
Flare
for all bands - practical solution
Practical
solution from Cassegrain system by OK1CA
Septum
polarization transformer-calculation sheet – Excel 24kB
If
you do not use Excel here is .pdf
23cm
13cm
9cm
6cm
3cm
Practical
solution on the picture
Click
on the picture for detail
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3
cm solution
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3
cm assembled
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23
and 13 cm
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23
and 13cm
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DFC
microwave company has now this article
23 and 13 cm for sale.
See
here
W1GHZ
- OK1DFC
Diagrams
of septum polarizer which calculated Paul W1GHZ
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Without flare f/D 0,35 – 0,45 |
With flare for f/D
0,45 – 0,6 |
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W1GHZ
page and Antenna book
Analysis
of the OK1DFC septum feed by W1GHZ
Power
Point presentation of Paul W1GHZ
Microwave
Antenna book - Septum feed by W1GHZ
square
wave guide
Microwave
Antenna book - Septum feed by W1GHZ
circular wave guide
Septum
feed with ring - by Paul W1GHZ
OK1DFC
septum feed 3400 MHz
NEW
ANALYSES
OF OK1DFC feed by W1GHZ
NEW Analysis of RA3AQ
feed by W1GHZ
Optimize
of RA3AQ
feed for OK1DFC dish
OK1DFC
- septum feed with W2IMU collar - 1296 MHz F/D 0,6
OK1DFC - septum feed
with W2IMU collar - 3400 MHz F/D 0,6
WD5AGO
WD5AGO
- 5600 MHz septum feed
WD5AGO
Tommy's solution for 6cm
DL4MUP
DL4MUP
solution
DL4MUP
results
PA0PLY
Interesting
experience of Jan PA0PLY
New
information about feed of Jan PA0PLY
Other
new
information about feed of Jan PA0PLY
N2UO
Marc
N2UO made a optimization on Dual mode Septum feed for 1296 MHz
G3LTF
Peter
G3LTF modify
N2UO Dual mode Septum feed to 6cm
RA3AQ
ANALYSES
OF RA3AQ
by W1GHZ
UPGRADE
of previous OK1DFC feed with RA3AQ circular wave guide
Septum
feed by Dima RA3AQ for 1296 and 2320 MHz
Septum
feed by Dima RA3AQ for 1,2 - 2,3 - 3,4 GHZ 0,36 F/D
Septum
feed RA3AQ for dish with F/D 0,4
Septum
feed for dish F/D 0,5 - 0,55 by Dima RA3AQ
Probe
for RA3AQ feed with 7/16" connector
New
dual feed with round septum
OM6AA
ANALYSES
OF RA3AQ
by OM6AA
Analyses
were performed in CST Microwave Studio software at Czech
Technical University in Prague by OM6AA
Revised
OK1DFC square septum with collar choke by OM6AA
SM6FHZ
SM6FHZ 5 step septum solution from 1296 up to 10368 MHz
Family
of Septum feed users
(if
you are using this feed too, please let me know I will present your call
and link here)
9H1BN
-
DK3BU - DL1YMK - DL9OM - DJ3FI - G4BRK - DK2AN - DL4MUP
-
OK1CA - OK1UWA
- OK1DFC -
OK1KIR
- ON7UN
- ON4BCB - JH1AOY
- G4KLX - HB9JAW - DL3HRT
- WA1ECF - DF6NA
- G4DDK
- OM6AA
- K1JT - KL6M
- ZS5LEE
- KD5FZX - PI4Z
- WA5WCP
- EI/DL1YMK
-
CT3/DL1YMK
- WB2BYP - G4HUP - KL7UW - WW2R - G4DZU - VK4TZL - F8DO - VK7MO
-
PA3FXB - DF0MFG
- GM3SBC - UN8GC - RW3BP - JH5LUZ -
PY2BS - YO2IS
- YO9FRJ PA0PLY - RW1AW - F2TU -
TF/DL1YMK - 8N1EME - P43L
(K2UYH) - N2UO - OK2KJT - OK3RM - K6JEY - N9JIM - G3LTF - DL1YMK/CX
- VK2JDS - YO3JE - WD5AGO - SV1OE -
4O/OK1DFC
- Z3/OK1DFC - E77DX -
OH0/DL1YMK - OM/OK1DFC
- 8J1AXA - LU8ENU
- R2/DL1YMK - RA3AQ - RD3YA -
W7IVU - LY/DL1YMK - PY2BS - OK2DL - DL6SH - OK3RM - G5WQ -
G3LTF - VK2AMS - IS0/OK5EME -
OK1CS - OK2DL - OK2ULQ - OK1YK - TK/DL1YMK - EA9LZ - 4U1ITU - DL7YC -
OK2PE - OK1IL - DL1SUZ
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Feeds assembling
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Feed
before testing
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Prepared
feeds
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Flare
for 0,5 f/D 13cm
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Detail
of flare 0,5 f/D
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Flares
for 1296 and 2320 MHz usable F/D 0,4 - 0,5
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PLEASE
use circular polarization from 1,2 GHz up. You see that the system is
very easy now !
You
can see "Prague EME convention 2002" about circular polarization here.
If
you are interesting, let me know on address.
Back
to top
SM6FHZ
Compilation
and simulation 432 MHz feeds
Loop
feed presentation SM6FHZ
CT1DMK
432
MHz loop feed
OK1DFC
Recalculated
loop feed of OM6AA to 432 MHz
Feed
horn for 144 MHz
24
GHz feedhorn
Simulation of feed pattern by OK2AQ
OM6AA
Loop
feed for 1296 & 2320 MHz by OM6AA
Family
of Loop feed users
(if
you are using this feed too, please let me know I will present your call
and link here)
DL1YMK - G4CCH - OK1CA
- OK1DFC - W7IUW - IS0/OK5EME
- EA9LZ - DL6SH
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