The Amateur Radio Crossword Puzzler

Across

1. Hostile angry email content
5. Simplest text format
8. Unusual
11. Transfer a program to memory to run
13. Send a copy also
14. Person applying a program
15. Open and look at
17. Roger's companion
19. Next door to Latvia (prefix)
20. Angular distance from the horizon (abbr.)
21. Mark or change
23. Connected
26. Fi or Max
27. Smallest of the 48 (abbr.)
28. Occupied
29. And so on (abbr.)
31. Put together to send
34. Go ahead only (CW prosign)
35. Between VT and ME (abbr.)
37. Two components of RF
38. Email replaced these
40. Characters that make up the message
42. From (CW prosign)
43. Our continent (abbr.)
45. Net master (abbr.)
47. Send on
51. Prevent or stop
53. Where a receiver's gain stages lie (abbr.)
54. Prototype program for show
56. Closing identification
59. You're shouting in this case
62. Non-volatile data storage (abbr.)
63. Skyhook (abbr.)
64. One of the Maritime provinces (abbr.)
65. Soft, conductive metal (chemical symbol)
66. Type of malware
68. Reproduce
70. Used in the old days with ink
72. Store
76. Respond to
77. Metal that rusts (chemical symbol)
78. Unwanted email

Down

1. Device or program that protects a computer
2. Chicken or mode
3. Person that approves content
4. Spanish prefix
6. Your identity at a bank or data service
7. Symbols that represent data or programs
8. Program that runs the computer (abbr.)
9. Removed
10. Not wet
12. Don't drink or else you'll be cited for this (abbr)
14. Prefix meaning single
16. Top-notch or highly trained
18. The network and computer department (abbr.)
22. Cubical random number generator
24. This cat was an early Web surfer
25. The most easterly US ARRL Division (abbr.)
28. Break (CW prosign)
30. Spelling and call sign testers
32. That (CW abbr.)
33. Between a minute and a day (abbr.)
36. Language that defines Web pages
39. Measure of signal versus noise (abbr.)
41. Example (abbr.)
44. Destination
46. Type of company (abbr.)
48. Non-profit company email suffix
49. Australian peer to ARRL (abbr.)
50. When Jill came tumbling
51. Rejection of email
52. The key to get out
55. Computer designers (abbr.)
57. Not doing anything
58. Month of Sweepstakes (abbr.)
60. Oscillator tuned with inductor core (abbr.)
61. One of the Hudson Division sections (abbr.)
67. Where you get on the Internet
69. Type of email server (abbr.)
71. Number (abbr.)
73. One of the armed services (abbr.)
74. Canadian prefix
75. In charge of a section (abbr.)