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(42) TNULL Reflector antenna radiation pattern 1st null
11-10-2022, 09:09 PM
Post: #1
(42) TNULL Reflector antenna radiation pattern 1st null
Dear All

4th order approximation equation for solving the reflector antenna radiation pattern 1st null position, based on the antenna diameter, antenna efficiency and operating frequency; to be used with "HP Solver" built-in application.

Attachments:

- Program documentation, including example, math equations, how to use explanations, source code, etc; (pdf)

- RAW format file (zip)

Code:

00 { 144-Byte Prgm }
01▸LBL "TNULL"
02 MVAR "FREQ"
03 MVAR "DIAM"
04 MVAR "N%"
05 MVAR "TNULL"
06 DEG
07 RCL "N%"
08 100
09 ÷
10 STO "NN"
11 CLST
12 RCL "NN"
13 4
14 Y↑X
15 5.3967
16 ×
17 RCL "NN"
18 3
19 Y↑X
20 19.547
21 ×
22 -
23 RCL "NN"
24 X↑2
25 26.749
26 ×
27 +
28 RCL "NN"
29 18.006
30 ×
31 -
32 6.6268
33 +
34 299792400
35 ×
36 RCL÷ "DIAM"
37 RCL÷ "FREQ"
38 ASIN
39 RCL- "TNULL"
40 END

Warm regards,


Attached File(s)
.pdf  HP-42S Program Documentation Form - TNULL_v100.pdf (Size: 193.54 KB / Downloads: 6)
.zip  TNULLraw.zip (Size: 246 bytes / Downloads: 3)

Emilio Abud Filho
Mobile: +55 (41) 9 9172-1201
e.abud@uol.com.br
emilio.abud.filho@gmail.com
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