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Radio Microwave Antenna NSMA Pattern

Radio Microwave Antenna NSMA Pattern

For Radio Microwave Path Calculation

This section would describe NSMA Pattern for Microwave antenna Path Calculation Software or Application like PathLoss, which able to summaries as table below.

Microwave Antenna Electrical detail

Field Name	Length (Char)	Head Value	Character Before Value	Guide Value
Revision Number	42	REVNUM	:,	NSMA WG16.99.050
Revision Date	16	REVDAT	:,	19990520
Antenna Manufacturer	42	ANTMAN	:,
Model Number	42	MODNUM	:,
Pattern ID Number	42	PATNUM	:,	File Name
Description1	80	DESCR1	:,
Description2	80	DESCR2	:,
Description3	80	DESCR3	:,
Description4	80	DESCR4	:,
Description5	80	DESCR5	:,
Date of data	16	DTDATA	:,	19911219
Low Frequency (MHz)	21	LOWFRQ	:,
High Frequency (MHz)	21	HGHFRQ	:,
Gain Units	15	GUNITS	:,	DBI/DBR
Low-band gain	12	LWGAIN	:,
Mid-band gain	16	MDGAIN	:,
High-band gain	12	HGGAIN	:,
Mid-band Az Bmwdth	16	AZWIDT	:,
Mid-band El Bmwdth	16	ELWIDT	:,
Connector Type	80	CONTYP	:,	UDR84 PDR84
VSWR	13	ATVSWR	:,
Front-to-back Ratio(dB)	10	FRTOBA	:,
Electrical Downtilt (deg)	16	ELTILT	:,	0
Port-to-Port Iso (dB) for dual Pole	12	POTOPO	:,
Antenna Length (m) diameter for Parabolic	14	ANTLEN	:,
Antenna Width (m) diameter for Parabolic	14	ANTWID	:,
Antenna Weight (kg)	16	ANTWGT	:,
Future Field	80	FIELD1	:,
Pattern Type	16	PATTYP	:,	ENVELOPE
# Pattern cuts	11	NUMCUT	:,	4

Mention to Microwave Antenna curve in NSMA would have format as below

Microwave Curve Starting Here

Field Name	Length (Char)	Head Value	Character Before Value	Guide Value
Pattern Cut	11	PATCUT	:,	AZ
Polarization	15	POLARI	:,	H/H
# Data Points	13	NUPOIN	:,

X,Y do not put this value into pattern file

-180,-60

...,...

180,-60

Field Name	Length (Char)	Head Value	Character Before Value	Guide Value
Pattern Cut	11	PATCUT	:,	AZ
Polarization	15	POLARI	:,	H/V
# Data Points	13	NUPOIN	:,

X,Y do not put this value into pattern file

-180,-60

...,...

180,-60

Field Name	Length (Char)	Head Value	Character Before Value	Guide Value
Pattern Cut	11	PATCUT	:,	AZ
Polarization	15	POLARI	:,	V/V
# Data Points	13	NUPOIN	:,

X,Y do not put this value into pattern file

-180,-60

...,...

180,-60

Field Name	Length (Char)	Head Value	Character Before Value	Guide Value
Pattern Cut	11	PATCUT	:,	AZ
Polarization	15	POLARI	:,	V/H
# Data Points	13	NUPOIN	:,

X,Y do not put this value into pattern file

-180,-60

...,...

180,-60

After finish Microwave Antenna curve in our application would show as picture below

MCS-51 Temperature and computer control

Worthwhile micro-controller use AT89C2051 Hardware detail as below
1. Port P1.0-P1.4 connect to Relay drive ULN2003
2. P1.5-P1.7 check input signal 12VDC
3. Int0 connect to temperature sensor DS1820
4. Rx Tx connect RS232 circuit

Mention to Keil C programming code work properly detail as below

Worth-While Temperature controller concept

Temperature controller with variety application
example
- hatchery









As the picture show temperature control including
1. computer software make us able to do automatic temperature control or manual control, which software control make us minimize micro-controller hardware cost
2. Small Microcontroller with additional digital temperature sensor and water level checker assist accuracy temperature control

3. Small Application software operate in Windows ME and Linux, which make us use worth-while old computer