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Resistors.
ARDFrx80-7
pa0nhc 201040909

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Below are part types and order numbers given for your convenience.
All resistors : 2.5x6.5mm 0.25W metal film. Bend the wires to RM7.5 if not stated otherwise.

R3

22k METAL FILM (oscillator phase noise !)

 

R4,12,15,18

10k

 

R5

47k lin. tuning potmeter, 6mm shaft (without switch)

440709

R6

220k

 

R7,26

2k2

 

R8,11,22,107

100k

 

R13,14,102

470k

 

R16,17

330k

 

R19

4k7

 

R20

470 - 4k7
(Adjusts the max. headphone loudness to 85dBspl. See table)

 

R21

47k lin. gain potmeter, 6mm shaft, with off-on battery switch.

441273

R24

Sets min. gain (100)

 

R25

Sets max. gain (100)

 

R27,28,104 47k  

Rx

1k5  for crystal filter 10M12B
(adapt for another crystal filter. Rx = FilterZin-1k5)

 

Ry

3k0 for crystal filter 10M12B (3k3 in parallel with 33k)
(adapt for another crystal filter. Ry = FilterZout )

 

R101

1M

 

R105 470 Ohm trim pot vert. RM5x2.5
Adjusts the gain of the sense amplifier, to minimum signal at one side of the antenna pattern.
430692

R 110, 111

470

 

R103,108,109,203

1k

 

R201

680k